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Finding the Fourth Proportional to 15,009.68, 22,506.42 and 10,635.68

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Solution

The fourth proportional to 15,009.68, 22,506.42 and 10,635.68 is: 15,947.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009.68 : 22,506.42 = 10,635.68 : x
  2. Step 2: Convert to fraction form
    15,009.68/22,506.42 = 10,635.68/x
  3. Step 3: Cross multiply
    15,009.68x = 22,506.42 × 10,635.68
  4. Step 4: Simplify right side
    15,009.68x = 239,371,081.07
  5. Step 5: Solve for x
    x = 239,371,081.07/15,009.68
  6. Step 6: Final answer
    x = 15,947.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.