Home / 14,918.60-22,352.30-9,721.80

Finding the Fourth Proportional to 14,918.60, 22,352.30 and 9,721.80

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Solution

The fourth proportional to 14,918.60, 22,352.30 and 9,721.80 is: 14,566.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918.60 : 22,352.30 = 9,721.80 : x
  2. Step 2: Convert to fraction form
    14,918.60/22,352.30 = 9,721.80/x
  3. Step 3: Cross multiply
    14,918.60x = 22,352.30 × 9,721.80
  4. Step 4: Simplify right side
    14,918.60x = 217,304,590.14
  5. Step 5: Solve for x
    x = 217,304,590.14/14,918.60
  6. Step 6: Final answer
    x = 14,566.02

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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.