Home / 25,134.20-34,685.91-14,231.50

Finding the Fourth Proportional to 25,134.20, 34,685.91 and 14,231.50

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Solution

The fourth proportional to 25,134.20, 34,685.91 and 14,231.50 is: 19,639.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,134.20 : 34,685.91 = 14,231.50 : x
  2. Step 2: Convert to fraction form
    25,134.20/34,685.91 = 14,231.50/x
  3. Step 3: Cross multiply
    25,134.20x = 34,685.91 × 14,231.50
  4. Step 4: Simplify right side
    25,134.20x = 493,632,528.17
  5. Step 5: Solve for x
    x = 493,632,528.17/25,134.20
  6. Step 6: Final answer
    x = 19,639.87

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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.