Home / 15,126.40-22,689.61-5,892.40

Finding the Fourth Proportional to 15,126.40, 22,689.61 and 5,892.40

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Solution

The fourth proportional to 15,126.40, 22,689.61 and 5,892.40 is: 8,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,126.40 : 22,689.61 = 5,892.40 : x
  2. Step 2: Convert to fraction form
    15,126.40/22,689.61 = 5,892.40/x
  3. Step 3: Cross multiply
    15,126.40x = 22,689.61 × 5,892.40
  4. Step 4: Simplify right side
    15,126.40x = 133,696,144.52
  5. Step 5: Solve for x
    x = 133,696,144.52/15,126.40
  6. Step 6: Final answer
    x = 8,838.60

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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.