Home / 19,132.02-28,691.19-6,649.02

Finding the Fourth Proportional to 19,132.02, 28,691.19 and 6,649.02

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Solution

The fourth proportional to 19,132.02, 28,691.19 and 6,649.02 is: 9,971.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,132.02 : 28,691.19 = 6,649.02 : x
  2. Step 2: Convert to fraction form
    19,132.02/28,691.19 = 6,649.02/x
  3. Step 3: Cross multiply
    19,132.02x = 28,691.19 × 6,649.02
  4. Step 4: Simplify right side
    19,132.02x = 190,768,296.13
  5. Step 5: Solve for x
    x = 190,768,296.13/19,132.02
  6. Step 6: Final answer
    x = 9,971.15

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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.