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Finding the Fourth Proportional to 18,091.86, 24,966.62 and 10,134.16

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Solution

The fourth proportional to 18,091.86, 24,966.62 and 10,134.16 is: 13,985.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,091.86 : 24,966.62 = 10,134.16 : x
  2. Step 2: Convert to fraction form
    18,091.86/24,966.62 = 10,134.16/x
  3. Step 3: Cross multiply
    18,091.86x = 24,966.62 × 10,134.16
  4. Step 4: Simplify right side
    18,091.86x = 253,015,721.74
  5. Step 5: Solve for x
    x = 253,015,721.74/18,091.86
  6. Step 6: Final answer
    x = 13,985.06

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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.