Home / 18,295.11-27,423.81-7,197.30

Finding the Fourth Proportional to 18,295.11, 27,423.81 and 7,197.30

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Solution

The fourth proportional to 18,295.11, 27,423.81 and 7,197.30 is: 10,788.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,295.11 : 27,423.81 = 7,197.30 : x
  2. Step 2: Convert to fraction form
    18,295.11/27,423.81 = 7,197.30/x
  3. Step 3: Cross multiply
    18,295.11x = 27,423.81 × 7,197.30
  4. Step 4: Simplify right side
    18,295.11x = 197,377,387.71
  5. Step 5: Solve for x
    x = 197,377,387.71/18,295.11
  6. Step 6: Final answer
    x = 10,788.53

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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.