Home / 17,415.19-26,122.79-12,244.15

Finding the Fourth Proportional to 17,415.19, 26,122.79 and 12,244.15

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Solution

The fourth proportional to 17,415.19, 26,122.79 and 12,244.15 is: 18,366.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,415.19 : 26,122.79 = 12,244.15 : x
  2. Step 2: Convert to fraction form
    17,415.19/26,122.79 = 12,244.15/x
  3. Step 3: Cross multiply
    17,415.19x = 26,122.79 × 12,244.15
  4. Step 4: Simplify right side
    17,415.19x = 319,851,359.18
  5. Step 5: Solve for x
    x = 319,851,359.18/17,415.19
  6. Step 6: Final answer
    x = 18,366.23

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Similar ratio
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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.