Home / 22,507.44-31,042.98-13,545.60

Finding the Fourth Proportional to 22,507.44, 31,042.98 and 13,545.60

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Solution

The fourth proportional to 22,507.44, 31,042.98 and 13,545.60 is: 18,682.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,507.44 : 31,042.98 = 13,545.60 : x
  2. Step 2: Convert to fraction form
    22,507.44/31,042.98 = 13,545.60/x
  3. Step 3: Cross multiply
    22,507.44x = 31,042.98 × 13,545.60
  4. Step 4: Simplify right side
    22,507.44x = 420,495,789.89
  5. Step 5: Solve for x
    x = 420,495,789.89/22,507.44
  6. Step 6: Final answer
    x = 18,682.52

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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.