Home / 22,930.90-31,651.38-14,974.36

Finding the Fourth Proportional to 22,930.90, 31,651.38 and 14,974.36

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Solution

The fourth proportional to 22,930.90, 31,651.38 and 14,974.36 is: 20,669.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,930.90 : 31,651.38 = 14,974.36 : x
  2. Step 2: Convert to fraction form
    22,930.90/31,651.38 = 14,974.36/x
  3. Step 3: Cross multiply
    22,930.90x = 31,651.38 × 14,974.36
  4. Step 4: Simplify right side
    22,930.90x = 473,959,158.62
  5. Step 5: Solve for x
    x = 473,959,158.62/22,930.90
  6. Step 6: Final answer
    x = 20,669.02

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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.