Home / 25,473.46-38,217.78-12,156.45

Finding the Fourth Proportional to 25,473.46, 38,217.78 and 12,156.45

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Solution

The fourth proportional to 25,473.46, 38,217.78 and 12,156.45 is: 18,238.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,473.46 : 38,217.78 = 12,156.45 : x
  2. Step 2: Convert to fraction form
    25,473.46/38,217.78 = 12,156.45/x
  3. Step 3: Cross multiply
    25,473.46x = 38,217.78 × 12,156.45
  4. Step 4: Simplify right side
    25,473.46x = 464,592,531.68
  5. Step 5: Solve for x
    x = 464,592,531.68/25,473.46
  6. Step 6: Final answer
    x = 18,238.30

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1.5x scale

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.