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Finding the Fourth Proportional to 18,012.65, 24,856.07 and 10,842.93

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Solution

The fourth proportional to 18,012.65, 24,856.07 and 10,842.93 is: 14,962.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,012.65 : 24,856.07 = 10,842.93 : x
  2. Step 2: Convert to fraction form
    18,012.65/24,856.07 = 10,842.93/x
  3. Step 3: Cross multiply
    18,012.65x = 24,856.07 × 10,842.93
  4. Step 4: Simplify right side
    18,012.65x = 269,512,572.87
  5. Step 5: Solve for x
    x = 269,512,572.87/18,012.65
  6. Step 6: Final answer
    x = 14,962.41

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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.