Home / 27,191.38-37,554.51-18,719.50

Finding the Fourth Proportional to 27,191.38, 37,554.51 and 18,719.50

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Solution

The fourth proportional to 27,191.38, 37,554.51 and 18,719.50 is: 25,853.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,191.38 : 37,554.51 = 18,719.50 : x
  2. Step 2: Convert to fraction form
    27,191.38/37,554.51 = 18,719.50/x
  3. Step 3: Cross multiply
    27,191.38x = 37,554.51 × 18,719.50
  4. Step 4: Simplify right side
    27,191.38x = 703,001,649.95
  5. Step 5: Solve for x
    x = 703,001,649.95/27,191.38
  6. Step 6: Final answer
    x = 25,853.84

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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.