Home / 25,600.64-38,309.72-17,704.76

Finding the Fourth Proportional to 25,600.64, 38,309.72 and 17,704.76

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Solution

The fourth proportional to 25,600.64, 38,309.72 and 17,704.76 is: 26,494.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,600.64 : 38,309.72 = 17,704.76 : x
  2. Step 2: Convert to fraction form
    25,600.64/38,309.72 = 17,704.76/x
  3. Step 3: Cross multiply
    25,600.64x = 38,309.72 × 17,704.76
  4. Step 4: Simplify right side
    25,600.64x = 678,264,398.27
  5. Step 5: Solve for x
    x = 678,264,398.27/25,600.64
  6. Step 6: Final answer
    x = 26,494.04

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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.