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Finding the Fourth Proportional to 18,030.86, 24,882.09 and 9,854.13

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Solution

The fourth proportional to 18,030.86, 24,882.09 and 9,854.13 is: 13,598.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,030.86 : 24,882.09 = 9,854.13 : x
  2. Step 2: Convert to fraction form
    18,030.86/24,882.09 = 9,854.13/x
  3. Step 3: Cross multiply
    18,030.86x = 24,882.09 × 9,854.13
  4. Step 4: Simplify right side
    18,030.86x = 245,191,380.63
  5. Step 5: Solve for x
    x = 245,191,380.63/18,030.86
  6. Step 6: Final answer
    x = 13,598.43

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Half scale
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Double scale
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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.