Home / 14,947.46-20,627.07-8,141.33

Finding the Fourth Proportional to 14,947.46, 20,627.07 and 8,141.33

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Solution

The fourth proportional to 14,947.46, 20,627.07 and 8,141.33 is: 11,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947.46 : 20,627.07 = 8,141.33 : x
  2. Step 2: Convert to fraction form
    14,947.46/20,627.07 = 8,141.33/x
  3. Step 3: Cross multiply
    14,947.46x = 20,627.07 × 8,141.33
  4. Step 4: Simplify right side
    14,947.46x = 167,931,688.81
  5. Step 5: Solve for x
    x = 167,931,688.81/14,947.46
  6. Step 6: Final answer
    x = 11,234.80

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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.