Home / 15,975.84-23,974.56-5,587.68

Finding the Fourth Proportional to 15,975.84, 23,974.56 and 5,587.68

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Solution

The fourth proportional to 15,975.84, 23,974.56 and 5,587.68 is: 8,385.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,975.84 : 23,974.56 = 5,587.68 : x
  2. Step 2: Convert to fraction form
    15,975.84/23,974.56 = 5,587.68/x
  3. Step 3: Cross multiply
    15,975.84x = 23,974.56 × 5,587.68
  4. Step 4: Simplify right side
    15,975.84x = 133,962,169.42
  5. Step 5: Solve for x
    x = 133,962,169.42/15,975.84
  6. Step 6: Final answer
    x = 8,385.30

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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.