Home / 18,631.33-25,711.11-10,566.52

Finding the Fourth Proportional to 18,631.33, 25,711.11 and 10,566.52

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Solution

The fourth proportional to 18,631.33, 25,711.11 and 10,566.52 is: 14,581.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.33 : 25,711.11 = 10,566.52 : x
  2. Step 2: Convert to fraction form
    18,631.33/25,711.11 = 10,566.52/x
  3. Step 3: Cross multiply
    18,631.33x = 25,711.11 × 10,566.52
  4. Step 4: Simplify right side
    18,631.33x = 271,676,893.76
  5. Step 5: Solve for x
    x = 271,676,893.76/18,631.33
  6. Step 6: Final answer
    x = 14,581.72

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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.