Home / 22,931.10-31,651.65-14,974.52

Finding the Fourth Proportional to 22,931.10, 31,651.65 and 14,974.52

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Solution

The fourth proportional to 22,931.10, 31,651.65 and 14,974.52 is: 20,669.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,931.10 : 31,651.65 = 14,974.52 : x
  2. Step 2: Convert to fraction form
    22,931.10/31,651.65 = 14,974.52/x
  3. Step 3: Cross multiply
    22,931.10x = 31,651.65 × 14,974.52
  4. Step 4: Simplify right side
    22,931.10x = 473,968,107.70
  5. Step 5: Solve for x
    x = 473,968,107.70/22,931.10
  6. Step 6: Final answer
    x = 20,669.23

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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.