Home / 22,462.72-31,006.40-13,512.96

Finding the Fourth Proportional to 22,462.72, 31,006.40 and 13,512.96

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Solution

The fourth proportional to 22,462.72, 31,006.40 and 13,512.96 is: 18,652.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,462.72 : 31,006.40 = 13,512.96 : x
  2. Step 2: Convert to fraction form
    22,462.72/31,006.40 = 13,512.96/x
  3. Step 3: Cross multiply
    22,462.72x = 31,006.40 × 13,512.96
  4. Step 4: Simplify right side
    22,462.72x = 418,988,242.94
  5. Step 5: Solve for x
    x = 418,988,242.94/22,462.72
  6. Step 6: Final answer
    x = 18,652.60

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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.