Home / 22,055.76-30,433.52-13,103.03

Finding the Fourth Proportional to 22,055.76, 30,433.52 and 13,103.03

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Solution

The fourth proportional to 22,055.76, 30,433.52 and 13,103.03 is: 18,080.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,055.76 : 30,433.52 = 13,103.03 : x
  2. Step 2: Convert to fraction form
    22,055.76/30,433.52 = 13,103.03/x
  3. Step 3: Cross multiply
    22,055.76x = 30,433.52 × 13,103.03
  4. Step 4: Simplify right side
    22,055.76x = 398,771,434.41
  5. Step 5: Solve for x
    x = 398,771,434.41/22,055.76
  6. Step 6: Final answer
    x = 18,080.15

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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.