Home / 25,425.12-35,086.56-14,247.12

Finding the Fourth Proportional to 25,425.12, 35,086.56 and 14,247.12

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Solution

The fourth proportional to 25,425.12, 35,086.56 and 14,247.12 is: 19,660.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,425.12 : 35,086.56 = 14,247.12 : x
  2. Step 2: Convert to fraction form
    25,425.12/35,086.56 = 14,247.12/x
  3. Step 3: Cross multiply
    25,425.12x = 35,086.56 × 14,247.12
  4. Step 4: Simplify right side
    25,425.12x = 499,882,430.71
  5. Step 5: Solve for x
    x = 499,882,430.71/25,425.12
  6. Step 6: Final answer
    x = 19,660.97

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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.