Home / 18,423.99-27,629.13-12,532.93

Finding the Fourth Proportional to 18,423.99, 27,629.13 and 12,532.93

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Solution

The fourth proportional to 18,423.99, 27,629.13 and 12,532.93 is: 18,794.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.99 : 27,629.13 = 12,532.93 : x
  2. Step 2: Convert to fraction form
    18,423.99/27,629.13 = 12,532.93/x
  3. Step 3: Cross multiply
    18,423.99x = 27,629.13 × 12,532.93
  4. Step 4: Simplify right side
    18,423.99x = 346,273,930.18
  5. Step 5: Solve for x
    x = 346,273,930.18/18,423.99
  6. Step 6: Final answer
    x = 18,794.73

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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.