Home / 25,945.17-35,805.16-15,191.10

Finding the Fourth Proportional to 25,945.17, 35,805.16 and 15,191.10

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Solution

The fourth proportional to 25,945.17, 35,805.16 and 15,191.10 is: 20,964.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,945.17 : 35,805.16 = 15,191.10 : x
  2. Step 2: Convert to fraction form
    25,945.17/35,805.16 = 15,191.10/x
  3. Step 3: Cross multiply
    25,945.17x = 35,805.16 × 15,191.10
  4. Step 4: Simplify right side
    25,945.17x = 543,919,766.08
  5. Step 5: Solve for x
    x = 543,919,766.08/25,945.17
  6. Step 6: Final answer
    x = 20,964.20

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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.