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Finding the Fourth Proportional to 16,230.50, 22,394.65 and 9,860.41

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Solution

The fourth proportional to 16,230.50, 22,394.65 and 9,860.41 is: 13,605.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,230.50 : 22,394.65 = 9,860.41 : x
  2. Step 2: Convert to fraction form
    16,230.50/22,394.65 = 9,860.41/x
  3. Step 3: Cross multiply
    16,230.50x = 22,394.65 × 9,860.41
  4. Step 4: Simplify right side
    16,230.50x = 220,820,417.38
  5. Step 5: Solve for x
    x = 220,820,417.38/16,230.50
  6. Step 6: Final answer
    x = 13,605.27

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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.