Home / 29,120.60-40,186.44-16,545.32

Finding the Fourth Proportional to 29,120.60, 40,186.44 and 16,545.32

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Solution

The fourth proportional to 29,120.60, 40,186.44 and 16,545.32 is: 22,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,120.60 : 40,186.44 = 16,545.32 : x
  2. Step 2: Convert to fraction form
    29,120.60/40,186.44 = 16,545.32/x
  3. Step 3: Cross multiply
    29,120.60x = 40,186.44 × 16,545.32
  4. Step 4: Simplify right side
    29,120.60x = 664,897,509.46
  5. Step 5: Solve for x
    x = 664,897,509.46/29,120.60
  6. Step 6: Final answer
    x = 22,832.55

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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.