Home / 27,649.46-38,155.14-15,073.94

Finding the Fourth Proportional to 27,649.46, 38,155.14 and 15,073.94

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Solution

The fourth proportional to 27,649.46, 38,155.14 and 15,073.94 is: 20,801.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,649.46 : 38,155.14 = 15,073.94 : x
  2. Step 2: Convert to fraction form
    27,649.46/38,155.14 = 15,073.94/x
  3. Step 3: Cross multiply
    27,649.46x = 38,155.14 × 15,073.94
  4. Step 4: Simplify right side
    27,649.46x = 575,148,291.05
  5. Step 5: Solve for x
    x = 575,148,291.05/27,649.46
  6. Step 6: Final answer
    x = 20,801.43

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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.