Home / 20,040.74-27,592.95-17,649.09

Finding the Fourth Proportional to 20,040.74, 27,592.95 and 17,649.09

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Solution

The fourth proportional to 20,040.74, 27,592.95 and 17,649.09 is: 24,300.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,040.74 : 27,592.95 = 17,649.09 : x
  2. Step 2: Convert to fraction form
    20,040.74/27,592.95 = 17,649.09/x
  3. Step 3: Cross multiply
    20,040.74x = 27,592.95 × 17,649.09
  4. Step 4: Simplify right side
    20,040.74x = 486,990,524.10
  5. Step 5: Solve for x
    x = 486,990,524.10/20,040.74
  6. Step 6: Final answer
    x = 24,300.03

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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.