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Finding the Fourth Proportional to 15,350.40, 22,982.40 and 14,918.40

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Solution

The fourth proportional to 15,350.40, 22,982.40 and 14,918.40 is: 22,335.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,350.40 : 22,982.40 = 14,918.40 : x
  2. Step 2: Convert to fraction form
    15,350.40/22,982.40 = 14,918.40/x
  3. Step 3: Cross multiply
    15,350.40x = 22,982.40 × 14,918.40
  4. Step 4: Simplify right side
    15,350.40x = 342,860,636.16
  5. Step 5: Solve for x
    x = 342,860,636.16/15,350.40
  6. Step 6: Final answer
    x = 22,335.62

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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.