Home / 15,032.71-22,543.41-6,143.28

Finding the Fourth Proportional to 15,032.71, 22,543.41 and 6,143.28

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Solution

The fourth proportional to 15,032.71, 22,543.41 and 6,143.28 is: 9,212.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,032.71 : 22,543.41 = 6,143.28 : x
  2. Step 2: Convert to fraction form
    15,032.71/22,543.41 = 6,143.28/x
  3. Step 3: Cross multiply
    15,032.71x = 22,543.41 × 6,143.28
  4. Step 4: Simplify right side
    15,032.71x = 138,490,541.29
  5. Step 5: Solve for x
    x = 138,490,541.29/15,032.71
  6. Step 6: Final answer
    x = 9,212.61

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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.