Home / 19,071.75-26,326.17-11,116.47

Finding the Fourth Proportional to 19,071.75, 26,326.17 and 11,116.47

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Solution

The fourth proportional to 19,071.75, 26,326.17 and 11,116.47 is: 15,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071.75 : 26,326.17 = 11,116.47 : x
  2. Step 2: Convert to fraction form
    19,071.75/26,326.17 = 11,116.47/x
  3. Step 3: Cross multiply
    19,071.75x = 26,326.17 × 11,116.47
  4. Step 4: Simplify right side
    19,071.75x = 292,654,079.02
  5. Step 5: Solve for x
    x = 292,654,079.02/19,071.75
  6. Step 6: Final answer
    x = 15,344.90

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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.