Home / 17,176.95-25,765.10-5,490.17

Finding the Fourth Proportional to 17,176.95, 25,765.10 and 5,490.17

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Solution

The fourth proportional to 17,176.95, 25,765.10 and 5,490.17 is: 8,235.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,176.95 : 25,765.10 = 5,490.17 : x
  2. Step 2: Convert to fraction form
    17,176.95/25,765.10 = 5,490.17/x
  3. Step 3: Cross multiply
    17,176.95x = 25,765.10 × 5,490.17
  4. Step 4: Simplify right side
    17,176.95x = 141,454,728.38
  5. Step 5: Solve for x
    x = 141,454,728.38/17,176.95
  6. Step 6: Final answer
    x = 8,235.15

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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.