Home / 14,674.59-20,247.82-8,708.20

Finding the Fourth Proportional to 14,674.59, 20,247.82 and 8,708.20

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Solution

The fourth proportional to 14,674.59, 20,247.82 and 8,708.20 is: 12,015.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,674.59 : 20,247.82 = 8,708.20 : x
  2. Step 2: Convert to fraction form
    14,674.59/20,247.82 = 8,708.20/x
  3. Step 3: Cross multiply
    14,674.59x = 20,247.82 × 8,708.20
  4. Step 4: Simplify right side
    14,674.59x = 176,322,066.12
  5. Step 5: Solve for x
    x = 176,322,066.12/14,674.59
  6. Step 6: Final answer
    x = 12,015.47

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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.