Home / 25,407.40-38,115.16-10,608.70

Finding the Fourth Proportional to 25,407.40, 38,115.16 and 10,608.70

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Solution

The fourth proportional to 25,407.40, 38,115.16 and 10,608.70 is: 15,914.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,407.40 : 38,115.16 = 10,608.70 : x
  2. Step 2: Convert to fraction form
    25,407.40/38,115.16 = 10,608.70/x
  3. Step 3: Cross multiply
    25,407.40x = 38,115.16 × 10,608.70
  4. Step 4: Simplify right side
    25,407.40x = 404,352,297.89
  5. Step 5: Solve for x
    x = 404,352,297.89/25,407.40
  6. Step 6: Final answer
    x = 15,914.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.