Home / 15,711.04-23,551.98-5,315.68

Finding the Fourth Proportional to 15,711.04, 23,551.98 and 5,315.68

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Solution

The fourth proportional to 15,711.04, 23,551.98 and 5,315.68 is: 7,968.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,711.04 : 23,551.98 = 5,315.68 : x
  2. Step 2: Convert to fraction form
    15,711.04/23,551.98 = 5,315.68/x
  3. Step 3: Cross multiply
    15,711.04x = 23,551.98 × 5,315.68
  4. Step 4: Simplify right side
    15,711.04x = 125,194,789.05
  5. Step 5: Solve for x
    x = 125,194,789.05/15,711.04
  6. Step 6: Final answer
    x = 7,968.59

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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.