Home / 27,279.76-37,649.66-20,226.28

Finding the Fourth Proportional to 27,279.76, 37,649.66 and 20,226.28

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Solution

The fourth proportional to 27,279.76, 37,649.66 and 20,226.28 is: 27,914.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,279.76 : 37,649.66 = 20,226.28 : x
  2. Step 2: Convert to fraction form
    27,279.76/37,649.66 = 20,226.28/x
  3. Step 3: Cross multiply
    27,279.76x = 37,649.66 × 20,226.28
  4. Step 4: Simplify right side
    27,279.76x = 761,512,565.06
  5. Step 5: Solve for x
    x = 761,512,565.06/27,279.76
  6. Step 6: Final answer
    x = 27,914.93

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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.