Home / 15,699.83-23,551.78-5,170.92

Finding the Fourth Proportional to 15,699.83, 23,551.78 and 5,170.92

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Solution

The fourth proportional to 15,699.83, 23,551.78 and 5,170.92 is: 7,757.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,699.83 : 23,551.78 = 5,170.92 : x
  2. Step 2: Convert to fraction form
    15,699.83/23,551.78 = 5,170.92/x
  3. Step 3: Cross multiply
    15,699.83x = 23,551.78 × 5,170.92
  4. Step 4: Simplify right side
    15,699.83x = 121,784,411.17
  5. Step 5: Solve for x
    x = 121,784,411.17/15,699.83
  6. Step 6: Final answer
    x = 7,757.06

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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.