Home / 23,643.72-35,479.40-13,122.60

Finding the Fourth Proportional to 23,643.72, 35,479.40 and 13,122.60

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Solution

The fourth proportional to 23,643.72, 35,479.40 and 13,122.60 is: 19,691.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,643.72 : 35,479.40 = 13,122.60 : x
  2. Step 2: Convert to fraction form
    23,643.72/35,479.40 = 13,122.60/x
  3. Step 3: Cross multiply
    23,643.72x = 35,479.40 × 13,122.60
  4. Step 4: Simplify right side
    23,643.72x = 465,581,974.44
  5. Step 5: Solve for x
    x = 465,581,974.44/23,643.72
  6. Step 6: Final answer
    x = 19,691.57

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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.