Home / 17,515.80-24,172.16-9,558.36

Finding the Fourth Proportional to 17,515.80, 24,172.16 and 9,558.36

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Solution

The fourth proportional to 17,515.80, 24,172.16 and 9,558.36 is: 13,190.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,515.80 : 24,172.16 = 9,558.36 : x
  2. Step 2: Convert to fraction form
    17,515.80/24,172.16 = 9,558.36/x
  3. Step 3: Cross multiply
    17,515.80x = 24,172.16 × 9,558.36
  4. Step 4: Simplify right side
    17,515.80x = 231,046,159.47
  5. Step 5: Solve for x
    x = 231,046,159.47/17,515.80
  6. Step 6: Final answer
    x = 13,190.73

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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.