Home / 18,134.52-25,025.58-10,176.78

Finding the Fourth Proportional to 18,134.52, 25,025.58 and 10,176.78

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Solution

The fourth proportional to 18,134.52, 25,025.58 and 10,176.78 is: 14,043.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134.52 : 25,025.58 = 10,176.78 : x
  2. Step 2: Convert to fraction form
    18,134.52/25,025.58 = 10,176.78/x
  3. Step 3: Cross multiply
    18,134.52x = 25,025.58 × 10,176.78
  4. Step 4: Simplify right side
    18,134.52x = 254,679,822.03
  5. Step 5: Solve for x
    x = 254,679,822.03/18,134.52
  6. Step 6: Final answer
    x = 14,043.92

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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.