Home / 25,664.88-38,487.60-10,074

Finding the Fourth Proportional to 25,664.88, 38,487.60 and 10,074

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Solution

The fourth proportional to 25,664.88, 38,487.60 and 10,074 is: 15,107.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,664.88 : 38,487.60 = 10,074 : x
  2. Step 2: Convert to fraction form
    25,664.88/38,487.60 = 10,074/x
  3. Step 3: Cross multiply
    25,664.88x = 38,487.60 × 10,074
  4. Step 4: Simplify right side
    25,664.88x = 387,724,082.40
  5. Step 5: Solve for x
    x = 387,724,082.40/25,664.88
  6. Step 6: Final answer
    x = 15,107.18

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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.