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Finding the Fourth Proportional to 18,099.92, 24,976.87 and 10,547.48

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Solution

The fourth proportional to 18,099.92, 24,976.87 and 10,547.48 is: 14,554.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,099.92 : 24,976.87 = 10,547.48 : x
  2. Step 2: Convert to fraction form
    18,099.92/24,976.87 = 10,547.48/x
  3. Step 3: Cross multiply
    18,099.92x = 24,976.87 × 10,547.48
  4. Step 4: Simplify right side
    18,099.92x = 263,443,072.86
  5. Step 5: Solve for x
    x = 263,443,072.86/18,099.92
  6. Step 6: Final answer
    x = 14,554.93

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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.