Home / 15,839.49-23,750.40-6,486.06

Finding the Fourth Proportional to 15,839.49, 23,750.40 and 6,486.06

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Solution

The fourth proportional to 15,839.49, 23,750.40 and 6,486.06 is: 9,725.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,839.49 : 23,750.40 = 6,486.06 : x
  2. Step 2: Convert to fraction form
    15,839.49/23,750.40 = 6,486.06/x
  3. Step 3: Cross multiply
    15,839.49x = 23,750.40 × 6,486.06
  4. Step 4: Simplify right side
    15,839.49x = 154,046,519.42
  5. Step 5: Solve for x
    x = 154,046,519.42/15,839.49
  6. Step 6: Final answer
    x = 9,725.47

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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.