Home / 16,869.04-25,308.96-8,104.56

Finding the Fourth Proportional to 16,869.04, 25,308.96 and 8,104.56

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Solution

The fourth proportional to 16,869.04, 25,308.96 and 8,104.56 is: 12,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,869.04 : 25,308.96 = 8,104.56 : x
  2. Step 2: Convert to fraction form
    16,869.04/25,308.96 = 8,104.56/x
  3. Step 3: Cross multiply
    16,869.04x = 25,308.96 × 8,104.56
  4. Step 4: Simplify right side
    16,869.04x = 205,117,984.86
  5. Step 5: Solve for x
    x = 205,117,984.86/16,869.04
  6. Step 6: Final answer
    x = 12,159.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.