Home / 26,465.20-36,520.61-15,710.53

Finding the Fourth Proportional to 26,465.20, 36,520.61 and 15,710.53

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Solution

The fourth proportional to 26,465.20, 36,520.61 and 15,710.53 is: 21,679.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,465.20 : 36,520.61 = 15,710.53 : x
  2. Step 2: Convert to fraction form
    26,465.20/36,520.61 = 15,710.53/x
  3. Step 3: Cross multiply
    26,465.20x = 36,520.61 × 15,710.53
  4. Step 4: Simplify right side
    26,465.20x = 573,758,139.02
  5. Step 5: Solve for x
    x = 573,758,139.02/26,465.20
  6. Step 6: Final answer
    x = 21,679.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.