Home / 25,838.59-38,755.15-8,307.07

Finding the Fourth Proportional to 25,838.59, 38,755.15 and 8,307.07

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Solution

The fourth proportional to 25,838.59, 38,755.15 and 8,307.07 is: 12,459.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,838.59 : 38,755.15 = 8,307.07 : x
  2. Step 2: Convert to fraction form
    25,838.59/38,755.15 = 8,307.07/x
  3. Step 3: Cross multiply
    25,838.59x = 38,755.15 × 8,307.07
  4. Step 4: Simplify right side
    25,838.59x = 321,941,743.91
  5. Step 5: Solve for x
    x = 321,941,743.91/25,838.59
  6. Step 6: Final answer
    x = 12,459.73

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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.