Home / 22,577.92-31,160.44-13,630.48

Finding the Fourth Proportional to 22,577.92, 31,160.44 and 13,630.48

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Solution

The fourth proportional to 22,577.92, 31,160.44 and 13,630.48 is: 18,811.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,577.92 : 31,160.44 = 13,630.48 : x
  2. Step 2: Convert to fraction form
    22,577.92/31,160.44 = 13,630.48/x
  3. Step 3: Cross multiply
    22,577.92x = 31,160.44 × 13,630.48
  4. Step 4: Simplify right side
    22,577.92x = 424,731,754.21
  5. Step 5: Solve for x
    x = 424,731,754.21/22,577.92
  6. Step 6: Final answer
    x = 18,811.82

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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.