Home / 25,730.58-38,575.70-10,159.86

Finding the Fourth Proportional to 25,730.58, 38,575.70 and 10,159.86

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Solution

The fourth proportional to 25,730.58, 38,575.70 and 10,159.86 is: 15,231.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,730.58 : 38,575.70 = 10,159.86 : x
  2. Step 2: Convert to fraction form
    25,730.58/38,575.70 = 10,159.86/x
  3. Step 3: Cross multiply
    25,730.58x = 38,575.70 × 10,159.86
  4. Step 4: Simplify right side
    25,730.58x = 391,923,711.40
  5. Step 5: Solve for x
    x = 391,923,711.40/25,730.58
  6. Step 6: Final answer
    x = 15,231.83

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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.