Home / 15,003.20-22,504.80-4,613.60

Finding the Fourth Proportional to 15,003.20, 22,504.80 and 4,613.60

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Solution

The fourth proportional to 15,003.20, 22,504.80 and 4,613.60 is: 6,920.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,003.20 : 22,504.80 = 4,613.60 : x
  2. Step 2: Convert to fraction form
    15,003.20/22,504.80 = 4,613.60/x
  3. Step 3: Cross multiply
    15,003.20x = 22,504.80 × 4,613.60
  4. Step 4: Simplify right side
    15,003.20x = 103,828,145.28
  5. Step 5: Solve for x
    x = 103,828,145.28/15,003.20
  6. Step 6: Final answer
    x = 6,920.40

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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.