Home / 14,239.80-19,650.60-7,952.18

Finding the Fourth Proportional to 14,239.80, 19,650.60 and 7,952.18

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Solution

The fourth proportional to 14,239.80, 19,650.60 and 7,952.18 is: 10,973.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.80 : 19,650.60 = 7,952.18 : x
  2. Step 2: Convert to fraction form
    14,239.80/19,650.60 = 7,952.18/x
  3. Step 3: Cross multiply
    14,239.80x = 19,650.60 × 7,952.18
  4. Step 4: Simplify right side
    14,239.80x = 156,265,010.06
  5. Step 5: Solve for x
    x = 156,265,010.06/14,239.80
  6. Step 6: Final answer
    x = 10,973.82

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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.