Home / 15,315.60-22,972.55-4,070.64

Finding the Fourth Proportional to 15,315.60, 22,972.55 and 4,070.64

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Solution

The fourth proportional to 15,315.60, 22,972.55 and 4,070.64 is: 6,105.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,315.60 : 22,972.55 = 4,070.64 : x
  2. Step 2: Convert to fraction form
    15,315.60/22,972.55 = 4,070.64/x
  3. Step 3: Cross multiply
    15,315.60x = 22,972.55 × 4,070.64
  4. Step 4: Simplify right side
    15,315.60x = 93,512,960.58
  5. Step 5: Solve for x
    x = 93,512,960.58/15,315.60
  6. Step 6: Final answer
    x = 6,105.73

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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.