Home / 25,617.90-35,355.42-15,016.44

Finding the Fourth Proportional to 25,617.90, 35,355.42 and 15,016.44

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Solution

The fourth proportional to 25,617.90, 35,355.42 and 15,016.44 is: 20,724.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,617.90 : 35,355.42 = 15,016.44 : x
  2. Step 2: Convert to fraction form
    25,617.90/35,355.42 = 15,016.44/x
  3. Step 3: Cross multiply
    25,617.90x = 35,355.42 × 15,016.44
  4. Step 4: Simplify right side
    25,617.90x = 530,912,543.10
  5. Step 5: Solve for x
    x = 530,912,543.10/25,617.90
  6. Step 6: Final answer
    x = 20,724.28

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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.