Home / 17,190.74-23,721.98-10,116.20

Finding the Fourth Proportional to 17,190.74, 23,721.98 and 10,116.20

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Solution

The fourth proportional to 17,190.74, 23,721.98 and 10,116.20 is: 13,959.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,190.74 : 23,721.98 = 10,116.20 : x
  2. Step 2: Convert to fraction form
    17,190.74/23,721.98 = 10,116.20/x
  3. Step 3: Cross multiply
    17,190.74x = 23,721.98 × 10,116.20
  4. Step 4: Simplify right side
    17,190.74x = 239,976,294.08
  5. Step 5: Solve for x
    x = 239,976,294.08/17,190.74
  6. Step 6: Final answer
    x = 13,959.63

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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.