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Finding the Fourth Proportional to 18,006.66, 24,848.01 and 11,292

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Solution

The fourth proportional to 18,006.66, 24,848.01 and 11,292 is: 15,582.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,006.66 : 24,848.01 = 11,292 : x
  2. Step 2: Convert to fraction form
    18,006.66/24,848.01 = 11,292/x
  3. Step 3: Cross multiply
    18,006.66x = 24,848.01 × 11,292
  4. Step 4: Simplify right side
    18,006.66x = 280,583,728.92
  5. Step 5: Solve for x
    x = 280,583,728.92/18,006.66
  6. Step 6: Final answer
    x = 15,582.22

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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.