Home / 14,177.38-19,569.18-9,699.43

Finding the Fourth Proportional to 14,177.38, 19,569.18 and 9,699.43

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Solution

The fourth proportional to 14,177.38, 19,569.18 and 9,699.43 is: 13,388.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.38 : 19,569.18 = 9,699.43 : x
  2. Step 2: Convert to fraction form
    14,177.38/19,569.18 = 9,699.43/x
  3. Step 3: Cross multiply
    14,177.38x = 19,569.18 × 9,699.43
  4. Step 4: Simplify right side
    14,177.38x = 189,809,891.57
  5. Step 5: Solve for x
    x = 189,809,891.57/14,177.38
  6. Step 6: Final answer
    x = 13,388.22

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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.