Home / 19,956.38-29,931.12-5,916.24

Finding the Fourth Proportional to 19,956.38, 29,931.12 and 5,916.24

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Solution

The fourth proportional to 19,956.38, 29,931.12 and 5,916.24 is: 8,873.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.38 : 29,931.12 = 5,916.24 : x
  2. Step 2: Convert to fraction form
    19,956.38/29,931.12 = 5,916.24/x
  3. Step 3: Cross multiply
    19,956.38x = 29,931.12 × 5,916.24
  4. Step 4: Simplify right side
    19,956.38x = 177,079,689.39
  5. Step 5: Solve for x
    x = 177,079,689.39/19,956.38
  6. Step 6: Final answer
    x = 8,873.34

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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.