Home / 29,375.47-40,538.18-15,946.72

Finding the Fourth Proportional to 29,375.47, 40,538.18 and 15,946.72

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Solution

The fourth proportional to 29,375.47, 40,538.18 and 15,946.72 is: 22,006.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,375.47 : 40,538.18 = 15,946.72 : x
  2. Step 2: Convert to fraction form
    29,375.47/40,538.18 = 15,946.72/x
  3. Step 3: Cross multiply
    29,375.47x = 40,538.18 × 15,946.72
  4. Step 4: Simplify right side
    29,375.47x = 646,451,005.77
  5. Step 5: Solve for x
    x = 646,451,005.77/29,375.47
  6. Step 6: Final answer
    x = 22,006.49

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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.