Home / 19,119.04-28,646.19-11,708.02

Finding the Fourth Proportional to 19,119.04, 28,646.19 and 11,708.02

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Solution

The fourth proportional to 19,119.04, 28,646.19 and 11,708.02 is: 17,542.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119.04 : 28,646.19 = 11,708.02 : x
  2. Step 2: Convert to fraction form
    19,119.04/28,646.19 = 11,708.02/x
  3. Step 3: Cross multiply
    19,119.04x = 28,646.19 × 11,708.02
  4. Step 4: Simplify right side
    19,119.04x = 335,390,165.44
  5. Step 5: Solve for x
    x = 335,390,165.44/19,119.04
  6. Step 6: Final answer
    x = 17,542.21

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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.