Home / 25,856.67-38,785.14-10,274.34

Finding the Fourth Proportional to 25,856.67, 38,785.14 and 10,274.34

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Solution

The fourth proportional to 25,856.67, 38,785.14 and 10,274.34 is: 15,411.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,856.67 : 38,785.14 = 10,274.34 : x
  2. Step 2: Convert to fraction form
    25,856.67/38,785.14 = 10,274.34/x
  3. Step 3: Cross multiply
    25,856.67x = 38,785.14 × 10,274.34
  4. Step 4: Simplify right side
    25,856.67x = 398,491,715.31
  5. Step 5: Solve for x
    x = 398,491,715.31/25,856.67
  6. Step 6: Final answer
    x = 15,411.56

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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.