Home / 32,712.62-45,144.80-18,566.78

Finding the Fourth Proportional to 32,712.62, 45,144.80 and 18,566.78

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Solution

The fourth proportional to 32,712.62, 45,144.80 and 18,566.78 is: 25,622.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,712.62 : 45,144.80 = 18,566.78 : x
  2. Step 2: Convert to fraction form
    32,712.62/45,144.80 = 18,566.78/x
  3. Step 3: Cross multiply
    32,712.62x = 45,144.80 × 18,566.78
  4. Step 4: Simplify right side
    32,712.62x = 838,193,569.74
  5. Step 5: Solve for x
    x = 838,193,569.74/32,712.62
  6. Step 6: Final answer
    x = 25,622.94

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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.