Home / 22,014.53-30,364.20-15,210.93

Finding the Fourth Proportional to 22,014.53, 30,364.20 and 15,210.93

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Solution

The fourth proportional to 22,014.53, 30,364.20 and 15,210.93 is: 20,980.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,014.53 : 30,364.20 = 15,210.93 : x
  2. Step 2: Convert to fraction form
    22,014.53/30,364.20 = 15,210.93/x
  3. Step 3: Cross multiply
    22,014.53x = 30,364.20 × 15,210.93
  4. Step 4: Simplify right side
    22,014.53x = 461,867,720.71
  5. Step 5: Solve for x
    x = 461,867,720.71/22,014.53
  6. Step 6: Final answer
    x = 20,980.14

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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.