Home / 15,540.66-23,274.54-13,671.99

Finding the Fourth Proportional to 15,540.66, 23,274.54 and 13,671.99

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Solution

The fourth proportional to 15,540.66, 23,274.54 and 13,671.99 is: 20,475.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,540.66 : 23,274.54 = 13,671.99 : x
  2. Step 2: Convert to fraction form
    15,540.66/23,274.54 = 13,671.99/x
  3. Step 3: Cross multiply
    15,540.66x = 23,274.54 × 13,671.99
  4. Step 4: Simplify right side
    15,540.66x = 318,209,278.13
  5. Step 5: Solve for x
    x = 318,209,278.13/15,540.66
  6. Step 6: Final answer
    x = 20,475.92

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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.