Home / 15,416.80-23,132.40-8,029.60

Finding the Fourth Proportional to 15,416.80, 23,132.40 and 8,029.60

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Solution

The fourth proportional to 15,416.80, 23,132.40 and 8,029.60 is: 12,048.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,416.80 : 23,132.40 = 8,029.60 : x
  2. Step 2: Convert to fraction form
    15,416.80/23,132.40 = 8,029.60/x
  3. Step 3: Cross multiply
    15,416.80x = 23,132.40 × 8,029.60
  4. Step 4: Simplify right side
    15,416.80x = 185,743,919.04
  5. Step 5: Solve for x
    x = 185,743,919.04/15,416.80
  6. Step 6: Final answer
    x = 12,048.15

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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.