Home / 18,587.76-25,654.77-10,522.86

Finding the Fourth Proportional to 18,587.76, 25,654.77 and 10,522.86

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Solution

The fourth proportional to 18,587.76, 25,654.77 and 10,522.86 is: 14,523.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.76 : 25,654.77 = 10,522.86 : x
  2. Step 2: Convert to fraction form
    18,587.76/25,654.77 = 10,522.86/x
  3. Step 3: Cross multiply
    18,587.76x = 25,654.77 × 10,522.86
  4. Step 4: Simplify right side
    18,587.76x = 269,961,553.04
  5. Step 5: Solve for x
    x = 269,961,553.04/18,587.76
  6. Step 6: Final answer
    x = 14,523.62

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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.