Home / 14,909.11-20,574.61-8,195.42

Finding the Fourth Proportional to 14,909.11, 20,574.61 and 8,195.42

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Solution

The fourth proportional to 14,909.11, 20,574.61 and 8,195.42 is: 11,309.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.11 : 20,574.61 = 8,195.42 : x
  2. Step 2: Convert to fraction form
    14,909.11/20,574.61 = 8,195.42/x
  3. Step 3: Cross multiply
    14,909.11x = 20,574.61 × 8,195.42
  4. Step 4: Simplify right side
    14,909.11x = 168,617,585.71
  5. Step 5: Solve for x
    x = 168,617,585.71/14,909.11
  6. Step 6: Final answer
    x = 11,309.70

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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.