Home / 14,948.92-20,629.53-8,234.57

Finding the Fourth Proportional to 14,948.92, 20,629.53 and 8,234.57

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Solution

The fourth proportional to 14,948.92, 20,629.53 and 8,234.57 is: 11,363.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,948.92 : 20,629.53 = 8,234.57 : x
  2. Step 2: Convert to fraction form
    14,948.92/20,629.53 = 8,234.57/x
  3. Step 3: Cross multiply
    14,948.92x = 20,629.53 × 8,234.57
  4. Step 4: Simplify right side
    14,948.92x = 169,875,360.43
  5. Step 5: Solve for x
    x = 169,875,360.43/14,948.92
  6. Step 6: Final answer
    x = 11,363.72

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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.