Home / 25,919.16-35,766.45-15,306.77

Finding the Fourth Proportional to 25,919.16, 35,766.45 and 15,306.77

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Solution

The fourth proportional to 25,919.16, 35,766.45 and 15,306.77 is: 21,122.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,919.16 : 35,766.45 = 15,306.77 : x
  2. Step 2: Convert to fraction form
    25,919.16/35,766.45 = 15,306.77/x
  3. Step 3: Cross multiply
    25,919.16x = 35,766.45 × 15,306.77
  4. Step 4: Simplify right side
    25,919.16x = 547,468,645.03
  5. Step 5: Solve for x
    x = 547,468,645.03/25,919.16
  6. Step 6: Final answer
    x = 21,122.16

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1.5x scale

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.