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Finding the Fourth Proportional to 15,041.78, 22,564.90 and 14,119.19

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Solution

The fourth proportional to 15,041.78, 22,564.90 and 14,119.19 is: 21,180.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,041.78 : 22,564.90 = 14,119.19 : x
  2. Step 2: Convert to fraction form
    15,041.78/22,564.90 = 14,119.19/x
  3. Step 3: Cross multiply
    15,041.78x = 22,564.90 × 14,119.19
  4. Step 4: Simplify right side
    15,041.78x = 318,598,020.45
  5. Step 5: Solve for x
    x = 318,598,020.45/15,041.78
  6. Step 6: Final answer
    x = 21,180.87

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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.