Home / 25,826.28-38,752.22-11,972.84

Finding the Fourth Proportional to 25,826.28, 38,752.22 and 11,972.84

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Solution

The fourth proportional to 25,826.28, 38,752.22 and 11,972.84 is: 17,965.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,826.28 : 38,752.22 = 11,972.84 : x
  2. Step 2: Convert to fraction form
    25,826.28/38,752.22 = 11,972.84/x
  3. Step 3: Cross multiply
    25,826.28x = 38,752.22 × 11,972.84
  4. Step 4: Simplify right side
    25,826.28x = 463,974,129.70
  5. Step 5: Solve for x
    x = 463,974,129.70/25,826.28
  6. Step 6: Final answer
    x = 17,965.19

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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.