Home / 15,790.28-23,659.50-5,396.36

Finding the Fourth Proportional to 15,790.28, 23,659.50 and 5,396.36

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Solution

The fourth proportional to 15,790.28, 23,659.50 and 5,396.36 is: 8,085.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,790.28 : 23,659.50 = 5,396.36 : x
  2. Step 2: Convert to fraction form
    15,790.28/23,659.50 = 5,396.36/x
  3. Step 3: Cross multiply
    15,790.28x = 23,659.50 × 5,396.36
  4. Step 4: Simplify right side
    15,790.28x = 127,675,179.42
  5. Step 5: Solve for x
    x = 127,675,179.42/15,790.28
  6. Step 6: Final answer
    x = 8,085.68

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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.