Home / 15,454.25-23,185.26-7,140.15

Finding the Fourth Proportional to 15,454.25, 23,185.26 and 7,140.15

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Solution

The fourth proportional to 15,454.25, 23,185.26 and 7,140.15 is: 10,712.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,454.25 : 23,185.26 = 7,140.15 : x
  2. Step 2: Convert to fraction form
    15,454.25/23,185.26 = 7,140.15/x
  3. Step 3: Cross multiply
    15,454.25x = 23,185.26 × 7,140.15
  4. Step 4: Simplify right side
    15,454.25x = 165,546,234.19
  5. Step 5: Solve for x
    x = 165,546,234.19/15,454.25
  6. Step 6: Final answer
    x = 10,712.02

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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.