Home / 17,420.25-24,040.56-9,866.80

Finding the Fourth Proportional to 17,420.25, 24,040.56 and 9,866.80

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Solution

The fourth proportional to 17,420.25, 24,040.56 and 9,866.80 is: 13,616.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,420.25 : 24,040.56 = 9,866.80 : x
  2. Step 2: Convert to fraction form
    17,420.25/24,040.56 = 9,866.80/x
  3. Step 3: Cross multiply
    17,420.25x = 24,040.56 × 9,866.80
  4. Step 4: Simplify right side
    17,420.25x = 237,203,397.41
  5. Step 5: Solve for x
    x = 237,203,397.41/17,420.25
  6. Step 6: Final answer
    x = 13,616.53

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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.