Home / 18,423.01-27,634.43-5,275.38

Finding the Fourth Proportional to 18,423.01, 27,634.43 and 5,275.38

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Solution

The fourth proportional to 18,423.01, 27,634.43 and 5,275.38 is: 7,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.01 : 27,634.43 = 5,275.38 : x
  2. Step 2: Convert to fraction form
    18,423.01/27,634.43 = 5,275.38/x
  3. Step 3: Cross multiply
    18,423.01x = 27,634.43 × 5,275.38
  4. Step 4: Simplify right side
    18,423.01x = 145,782,119.33
  5. Step 5: Solve for x
    x = 145,782,119.33/18,423.01
  6. Step 6: Final answer
    x = 7,913.05

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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.