Home / 17,842.20-24,622.20-9,884.40

Finding the Fourth Proportional to 17,842.20, 24,622.20 and 9,884.40

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Solution

The fourth proportional to 17,842.20, 24,622.20 and 9,884.40 is: 13,640.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,842.20 : 24,622.20 = 9,884.40 : x
  2. Step 2: Convert to fraction form
    17,842.20/24,622.20 = 9,884.40/x
  3. Step 3: Cross multiply
    17,842.20x = 24,622.20 × 9,884.40
  4. Step 4: Simplify right side
    17,842.20x = 243,375,673.68
  5. Step 5: Solve for x
    x = 243,375,673.68/17,842.20
  6. Step 6: Final answer
    x = 13,640.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.