Home / 25,337.87-38,010.88-7,807.69

Finding the Fourth Proportional to 25,337.87, 38,010.88 and 7,807.69

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Solution

The fourth proportional to 25,337.87, 38,010.88 and 7,807.69 is: 11,712.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,337.87 : 38,010.88 = 7,807.69 : x
  2. Step 2: Convert to fraction form
    25,337.87/38,010.88 = 7,807.69/x
  3. Step 3: Cross multiply
    25,337.87x = 38,010.88 × 7,807.69
  4. Step 4: Simplify right side
    25,337.87x = 296,776,977.61
  5. Step 5: Solve for x
    x = 296,776,977.61/25,337.87
  6. Step 6: Final answer
    x = 11,712.79

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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.