Home / 25,806.15-35,614.53-15,197.85

Finding the Fourth Proportional to 25,806.15, 35,614.53 and 15,197.85

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Solution

The fourth proportional to 25,806.15, 35,614.53 and 15,197.85 is: 20,974.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,806.15 : 35,614.53 = 15,197.85 : x
  2. Step 2: Convert to fraction form
    25,806.15/35,614.53 = 15,197.85/x
  3. Step 3: Cross multiply
    25,806.15x = 35,614.53 × 15,197.85
  4. Step 4: Simplify right side
    25,806.15x = 541,264,284.76
  5. Step 5: Solve for x
    x = 541,264,284.76/25,806.15
  6. Step 6: Final answer
    x = 20,974.24

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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.