Home / 17,081.28-23,571-13,552.92

Finding the Fourth Proportional to 17,081.28, 23,571 and 13,552.92

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Solution

The fourth proportional to 17,081.28, 23,571 and 13,552.92 is: 18,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,081.28 : 23,571 = 13,552.92 : x
  2. Step 2: Convert to fraction form
    17,081.28/23,571 = 13,552.92/x
  3. Step 3: Cross multiply
    17,081.28x = 23,571 × 13,552.92
  4. Step 4: Simplify right side
    17,081.28x = 319,455,877.32
  5. Step 5: Solve for x
    x = 319,455,877.32/17,081.28
  6. Step 6: Final answer
    x = 18,702.10

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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.