Home / 12,631.74-18,948.11-4,733.43

Finding the Fourth Proportional to 12,631.74, 18,948.11 and 4,733.43

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Solution

The fourth proportional to 12,631.74, 18,948.11 and 4,733.43 is: 7,100.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631.74 : 18,948.11 = 4,733.43 : x
  2. Step 2: Convert to fraction form
    12,631.74/18,948.11 = 4,733.43/x
  3. Step 3: Cross multiply
    12,631.74x = 18,948.11 × 4,733.43
  4. Step 4: Simplify right side
    12,631.74x = 89,689,552.32
  5. Step 5: Solve for x
    x = 89,689,552.32/12,631.74
  6. Step 6: Final answer
    x = 7,100.33

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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.