Home / 22,733.60-31,385.37-15,192.70

Finding the Fourth Proportional to 22,733.60, 31,385.37 and 15,192.70

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Solution

The fourth proportional to 22,733.60, 31,385.37 and 15,192.70 is: 20,974.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,733.60 : 31,385.37 = 15,192.70 : x
  2. Step 2: Convert to fraction form
    22,733.60/31,385.37 = 15,192.70/x
  3. Step 3: Cross multiply
    22,733.60x = 31,385.37 × 15,192.70
  4. Step 4: Simplify right side
    22,733.60x = 476,828,489.31
  5. Step 5: Solve for x
    x = 476,828,489.31/22,733.60
  6. Step 6: Final answer
    x = 20,974.62

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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.