Home / 15,819.17-23,731.38-6,464.21

Finding the Fourth Proportional to 15,819.17, 23,731.38 and 6,464.21

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Solution

The fourth proportional to 15,819.17, 23,731.38 and 6,464.21 is: 9,697.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,819.17 : 23,731.38 = 6,464.21 : x
  2. Step 2: Convert to fraction form
    15,819.17/23,731.38 = 6,464.21/x
  3. Step 3: Cross multiply
    15,819.17x = 23,731.38 × 6,464.21
  4. Step 4: Simplify right side
    15,819.17x = 153,404,505.25
  5. Step 5: Solve for x
    x = 153,404,505.25/15,819.17
  6. Step 6: Final answer
    x = 9,697.38

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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.