Home / 25,493.42-38,240.10-7,964.74

Finding the Fourth Proportional to 25,493.42, 38,240.10 and 7,964.74

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Solution

The fourth proportional to 25,493.42, 38,240.10 and 7,964.74 is: 11,947.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,493.42 : 38,240.10 = 7,964.74 : x
  2. Step 2: Convert to fraction form
    25,493.42/38,240.10 = 7,964.74/x
  3. Step 3: Cross multiply
    25,493.42x = 38,240.10 × 7,964.74
  4. Step 4: Simplify right side
    25,493.42x = 304,572,454.07
  5. Step 5: Solve for x
    x = 304,572,454.07/25,493.42
  6. Step 6: Final answer
    x = 11,947.10

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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.