Home / 25,526.71-38,290.08-7,997.91

Finding the Fourth Proportional to 25,526.71, 38,290.08 and 7,997.91

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Solution

The fourth proportional to 25,526.71, 38,290.08 and 7,997.91 is: 11,996.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,526.71 : 38,290.08 = 7,997.91 : x
  2. Step 2: Convert to fraction form
    25,526.71/38,290.08 = 7,997.91/x
  3. Step 3: Cross multiply
    25,526.71x = 38,290.08 × 7,997.91
  4. Step 4: Simplify right side
    25,526.71x = 306,240,500.14
  5. Step 5: Solve for x
    x = 306,240,500.14/25,526.71
  6. Step 6: Final answer
    x = 11,996.86

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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.