Home / 17,945.97-24,764.70-9,988.03

Finding the Fourth Proportional to 17,945.97, 24,764.70 and 9,988.03

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Solution

The fourth proportional to 17,945.97, 24,764.70 and 9,988.03 is: 13,783.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,945.97 : 24,764.70 = 9,988.03 : x
  2. Step 2: Convert to fraction form
    17,945.97/24,764.70 = 9,988.03/x
  3. Step 3: Cross multiply
    17,945.97x = 24,764.70 × 9,988.03
  4. Step 4: Simplify right side
    17,945.97x = 247,350,566.54
  5. Step 5: Solve for x
    x = 247,350,566.54/17,945.97
  6. Step 6: Final answer
    x = 13,783.07

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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.