Home / 14,686.66-20,272.71-8,723.44

Finding the Fourth Proportional to 14,686.66, 20,272.71 and 8,723.44

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Solution

The fourth proportional to 14,686.66, 20,272.71 and 8,723.44 is: 12,041.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,686.66 : 20,272.71 = 8,723.44 : x
  2. Step 2: Convert to fraction form
    14,686.66/20,272.71 = 8,723.44/x
  3. Step 3: Cross multiply
    14,686.66x = 20,272.71 × 8,723.44
  4. Step 4: Simplify right side
    14,686.66x = 176,847,769.32
  5. Step 5: Solve for x
    x = 176,847,769.32/14,686.66
  6. Step 6: Final answer
    x = 12,041.39

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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.