Home / 19,189.04-26,480.77-10,691.26

Finding the Fourth Proportional to 19,189.04, 26,480.77 and 10,691.26

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Solution

The fourth proportional to 19,189.04, 26,480.77 and 10,691.26 is: 14,753.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,189.04 : 26,480.77 = 10,691.26 : x
  2. Step 2: Convert to fraction form
    19,189.04/26,480.77 = 10,691.26/x
  3. Step 3: Cross multiply
    19,189.04x = 26,480.77 × 10,691.26
  4. Step 4: Simplify right side
    19,189.04x = 283,112,704.14
  5. Step 5: Solve for x
    x = 283,112,704.14/19,189.04
  6. Step 6: Final answer
    x = 14,753.88

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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.