Home / 27,213.80-37,556.73-18,123.58

Finding the Fourth Proportional to 27,213.80, 37,556.73 and 18,123.58

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Solution

The fourth proportional to 27,213.80, 37,556.73 and 18,123.58 is: 25,011.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,213.80 : 37,556.73 = 18,123.58 : x
  2. Step 2: Convert to fraction form
    27,213.80/37,556.73 = 18,123.58/x
  3. Step 3: Cross multiply
    27,213.80x = 37,556.73 × 18,123.58
  4. Step 4: Simplify right side
    27,213.80x = 680,662,122.29
  5. Step 5: Solve for x
    x = 680,662,122.29/27,213.80
  6. Step 6: Final answer
    x = 25,011.65

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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.