Home / 25,240.60-34,834.62-15,172.30

Finding the Fourth Proportional to 25,240.60, 34,834.62 and 15,172.30

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Solution

The fourth proportional to 25,240.60, 34,834.62 and 15,172.30 is: 20,939.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,240.60 : 34,834.62 = 15,172.30 : x
  2. Step 2: Convert to fraction form
    25,240.60/34,834.62 = 15,172.30/x
  3. Step 3: Cross multiply
    25,240.60x = 34,834.62 × 15,172.30
  4. Step 4: Simplify right side
    25,240.60x = 528,521,305.03
  5. Step 5: Solve for x
    x = 528,521,305.03/25,240.60
  6. Step 6: Final answer
    x = 20,939.33

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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.