Home / 15,857.55-23,787.35-5,327.14

Finding the Fourth Proportional to 15,857.55, 23,787.35 and 5,327.14

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Solution

The fourth proportional to 15,857.55, 23,787.35 and 5,327.14 is: 7,991.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,857.55 : 23,787.35 = 5,327.14 : x
  2. Step 2: Convert to fraction form
    15,857.55/23,787.35 = 5,327.14/x
  3. Step 3: Cross multiply
    15,857.55x = 23,787.35 × 5,327.14
  4. Step 4: Simplify right side
    15,857.55x = 126,718,574.07
  5. Step 5: Solve for x
    x = 126,718,574.07/15,857.55
  6. Step 6: Final answer
    x = 7,991.06

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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.