Home / 27,081.33-37,369.65-15,144.36

Finding the Fourth Proportional to 27,081.33, 37,369.65 and 15,144.36

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Solution

The fourth proportional to 27,081.33, 37,369.65 and 15,144.36 is: 20,897.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,081.33 : 37,369.65 = 15,144.36 : x
  2. Step 2: Convert to fraction form
    27,081.33/37,369.65 = 15,144.36/x
  3. Step 3: Cross multiply
    27,081.33x = 37,369.65 × 15,144.36
  4. Step 4: Simplify right side
    27,081.33x = 565,939,432.67
  5. Step 5: Solve for x
    x = 565,939,432.67/27,081.33
  6. Step 6: Final answer
    x = 20,897.77

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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.