Home / 24,275.76-33,500.40-13,665.12

Finding the Fourth Proportional to 24,275.76, 33,500.40 and 13,665.12

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Solution

The fourth proportional to 24,275.76, 33,500.40 and 13,665.12 is: 18,857.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,275.76 : 33,500.40 = 13,665.12 : x
  2. Step 2: Convert to fraction form
    24,275.76/33,500.40 = 13,665.12/x
  3. Step 3: Cross multiply
    24,275.76x = 33,500.40 × 13,665.12
  4. Step 4: Simplify right side
    24,275.76x = 457,786,986.05
  5. Step 5: Solve for x
    x = 457,786,986.05/24,275.76
  6. Step 6: Final answer
    x = 18,857.78

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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.