Home / 14,697.12-20,282.06-8,729.04

Finding the Fourth Proportional to 14,697.12, 20,282.06 and 8,729.04

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Solution

The fourth proportional to 14,697.12, 20,282.06 and 8,729.04 is: 12,046.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,697.12 : 20,282.06 = 8,729.04 : x
  2. Step 2: Convert to fraction form
    14,697.12/20,282.06 = 8,729.04/x
  3. Step 3: Cross multiply
    14,697.12x = 20,282.06 × 8,729.04
  4. Step 4: Simplify right side
    14,697.12x = 177,042,913.02
  5. Step 5: Solve for x
    x = 177,042,913.02/14,697.12
  6. Step 6: Final answer
    x = 12,046.10

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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.