Home / 18,331.66-25,297.70-9,948.16

Finding the Fourth Proportional to 18,331.66, 25,297.70 and 9,948.16

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Solution

The fourth proportional to 18,331.66, 25,297.70 and 9,948.16 is: 13,728.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.66 : 25,297.70 = 9,948.16 : x
  2. Step 2: Convert to fraction form
    18,331.66/25,297.70 = 9,948.16/x
  3. Step 3: Cross multiply
    18,331.66x = 25,297.70 × 9,948.16
  4. Step 4: Simplify right side
    18,331.66x = 251,665,567.23
  5. Step 5: Solve for x
    x = 251,665,567.23/18,331.66
  6. Step 6: Final answer
    x = 13,728.47

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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.