Home / 27,527.48-38,003.66-18,123.38

Finding the Fourth Proportional to 27,527.48, 38,003.66 and 18,123.38

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Solution

The fourth proportional to 27,527.48, 38,003.66 and 18,123.38 is: 25,020.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,527.48 : 38,003.66 = 18,123.38 : x
  2. Step 2: Convert to fraction form
    27,527.48/38,003.66 = 18,123.38/x
  3. Step 3: Cross multiply
    27,527.48x = 38,003.66 × 18,123.38
  4. Step 4: Simplify right side
    27,527.48x = 688,754,771.57
  5. Step 5: Solve for x
    x = 688,754,771.57/27,527.48
  6. Step 6: Final answer
    x = 25,020.63

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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.