Home / 27,141.48-37,434.18-18,186.12

Finding the Fourth Proportional to 27,141.48, 37,434.18 and 18,186.12

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Solution

The fourth proportional to 27,141.48, 37,434.18 and 18,186.12 is: 25,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,141.48 : 37,434.18 = 18,186.12 : x
  2. Step 2: Convert to fraction form
    27,141.48/37,434.18 = 18,186.12/x
  3. Step 3: Cross multiply
    27,141.48x = 37,434.18 × 18,186.12
  4. Step 4: Simplify right side
    27,141.48x = 680,782,489.58
  5. Step 5: Solve for x
    x = 680,782,489.58/27,141.48
  6. Step 6: Final answer
    x = 25,082.73

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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.