Home / 25,173.12-34,730.26-15,609.57

Finding the Fourth Proportional to 25,173.12, 34,730.26 and 15,609.57

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Solution

The fourth proportional to 25,173.12, 34,730.26 and 15,609.57 is: 21,535.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,173.12 : 34,730.26 = 15,609.57 : x
  2. Step 2: Convert to fraction form
    25,173.12/34,730.26 = 15,609.57/x
  3. Step 3: Cross multiply
    25,173.12x = 34,730.26 × 15,609.57
  4. Step 4: Simplify right side
    25,173.12x = 542,124,424.59
  5. Step 5: Solve for x
    x = 542,124,424.59/25,173.12
  6. Step 6: Final answer
    x = 21,535.85

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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.