Home / 18,635.28-25,719.54-14,337.82

Finding the Fourth Proportional to 18,635.28, 25,719.54 and 14,337.82

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Solution

The fourth proportional to 18,635.28, 25,719.54 and 14,337.82 is: 19,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,635.28 : 25,719.54 = 14,337.82 : x
  2. Step 2: Convert to fraction form
    18,635.28/25,719.54 = 14,337.82/x
  3. Step 3: Cross multiply
    18,635.28x = 25,719.54 × 14,337.82
  4. Step 4: Simplify right side
    18,635.28x = 368,762,135.00
  5. Step 5: Solve for x
    x = 368,762,135.00/18,635.28
  6. Step 6: Final answer
    x = 19,788.39

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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.