Home / 15,143.45-22,718.96-14,892.31

Finding the Fourth Proportional to 15,143.45, 22,718.96 and 14,892.31

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Solution

The fourth proportional to 15,143.45, 22,718.96 and 14,892.31 is: 22,342.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,143.45 : 22,718.96 = 14,892.31 : x
  2. Step 2: Convert to fraction form
    15,143.45/22,718.96 = 14,892.31/x
  3. Step 3: Cross multiply
    15,143.45x = 22,718.96 × 14,892.31
  4. Step 4: Simplify right side
    15,143.45x = 338,337,795.20
  5. Step 5: Solve for x
    x = 338,337,795.20/15,143.45
  6. Step 6: Final answer
    x = 22,342.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.