Home / 22,055.04-30,432.78-13,102.92

Finding the Fourth Proportional to 22,055.04, 30,432.78 and 13,102.92

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Solution

The fourth proportional to 22,055.04, 30,432.78 and 13,102.92 is: 18,080.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,055.04 : 30,432.78 = 13,102.92 : x
  2. Step 2: Convert to fraction form
    22,055.04/30,432.78 = 13,102.92/x
  3. Step 3: Cross multiply
    22,055.04x = 30,432.78 × 13,102.92
  4. Step 4: Simplify right side
    22,055.04x = 398,758,281.72
  5. Step 5: Solve for x
    x = 398,758,281.72/22,055.04
  6. Step 6: Final answer
    x = 18,080.14

Related Problems

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Half scale
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Double scale
Find fourth proportional to 22,056.04, 30,434.16 and 13,103.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.