Home / 19,769.04-29,656.80-9,375.12

Finding the Fourth Proportional to 19,769.04, 29,656.80 and 9,375.12

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Solution

The fourth proportional to 19,769.04, 29,656.80 and 9,375.12 is: 14,064.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,769.04 : 29,656.80 = 9,375.12 : x
  2. Step 2: Convert to fraction form
    19,769.04/29,656.80 = 9,375.12/x
  3. Step 3: Cross multiply
    19,769.04x = 29,656.80 × 9,375.12
  4. Step 4: Simplify right side
    19,769.04x = 278,036,058.82
  5. Step 5: Solve for x
    x = 278,036,058.82/19,769.04
  6. Step 6: Final answer
    x = 14,064.22

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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.