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Finding the Fourth Proportional to 18,010.70, 24,854.65 and 10,461.45

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Solution

The fourth proportional to 18,010.70, 24,854.65 and 10,461.45 is: 14,436.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,010.70 : 24,854.65 = 10,461.45 : x
  2. Step 2: Convert to fraction form
    18,010.70/24,854.65 = 10,461.45/x
  3. Step 3: Cross multiply
    18,010.70x = 24,854.65 × 10,461.45
  4. Step 4: Simplify right side
    18,010.70x = 260,015,745.29
  5. Step 5: Solve for x
    x = 260,015,745.29/18,010.70
  6. Step 6: Final answer
    x = 14,436.73

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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.