Home / 14,883.92-20,540.08-8,170.18

Finding the Fourth Proportional to 14,883.92, 20,540.08 and 8,170.18

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Solution

The fourth proportional to 14,883.92, 20,540.08 and 8,170.18 is: 11,275.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,883.92 : 20,540.08 = 8,170.18 : x
  2. Step 2: Convert to fraction form
    14,883.92/20,540.08 = 8,170.18/x
  3. Step 3: Cross multiply
    14,883.92x = 20,540.08 × 8,170.18
  4. Step 4: Simplify right side
    14,883.92x = 167,816,150.81
  5. Step 5: Solve for x
    x = 167,816,150.81/14,883.92
  6. Step 6: Final answer
    x = 11,275.00

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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.