Home / 25,385.31-38,077.01-6,665.17

Finding the Fourth Proportional to 25,385.31, 38,077.01 and 6,665.17

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Solution

The fourth proportional to 25,385.31, 38,077.01 and 6,665.17 is: 9,997.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,385.31 : 38,077.01 = 6,665.17 : x
  2. Step 2: Convert to fraction form
    25,385.31/38,077.01 = 6,665.17/x
  3. Step 3: Cross multiply
    25,385.31x = 38,077.01 × 6,665.17
  4. Step 4: Simplify right side
    25,385.31x = 253,789,744.74
  5. Step 5: Solve for x
    x = 253,789,744.74/25,385.31
  6. Step 6: Final answer
    x = 9,997.51

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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.