Home / 16,839.16-25,264.80-7,218.01

Finding the Fourth Proportional to 16,839.16, 25,264.80 and 7,218.01

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Solution

The fourth proportional to 16,839.16, 25,264.80 and 7,218.01 is: 10,829.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,839.16 : 25,264.80 = 7,218.01 : x
  2. Step 2: Convert to fraction form
    16,839.16/25,264.80 = 7,218.01/x
  3. Step 3: Cross multiply
    16,839.16x = 25,264.80 × 7,218.01
  4. Step 4: Simplify right side
    16,839.16x = 182,361,646.16
  5. Step 5: Solve for x
    x = 182,361,646.16/16,839.16
  6. Step 6: Final answer
    x = 10,829.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.