Home / 15,687.52-23,534.79-5,299

Finding the Fourth Proportional to 15,687.52, 23,534.79 and 5,299

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Solution

The fourth proportional to 15,687.52, 23,534.79 and 5,299 is: 7,949.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,687.52 : 23,534.79 = 5,299 : x
  2. Step 2: Convert to fraction form
    15,687.52/23,534.79 = 5,299/x
  3. Step 3: Cross multiply
    15,687.52x = 23,534.79 × 5,299
  4. Step 4: Simplify right side
    15,687.52x = 124,710,852.21
  5. Step 5: Solve for x
    x = 124,710,852.21/15,687.52
  6. Step 6: Final answer
    x = 7,949.69

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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.