Home / 15,979.02-23,972.85-5,591.58

Finding the Fourth Proportional to 15,979.02, 23,972.85 and 5,591.58

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Solution

The fourth proportional to 15,979.02, 23,972.85 and 5,591.58 is: 8,388.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,979.02 : 23,972.85 = 5,591.58 : x
  2. Step 2: Convert to fraction form
    15,979.02/23,972.85 = 5,591.58/x
  3. Step 3: Cross multiply
    15,979.02x = 23,972.85 × 5,591.58
  4. Step 4: Simplify right side
    15,979.02x = 134,046,108.60
  5. Step 5: Solve for x
    x = 134,046,108.60/15,979.02
  6. Step 6: Final answer
    x = 8,388.88

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1.5x scale

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.