Home / 22,184.88-30,615.20-12,113.41

Finding the Fourth Proportional to 22,184.88, 30,615.20 and 12,113.41

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Solution

The fourth proportional to 22,184.88, 30,615.20 and 12,113.41 is: 16,716.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,184.88 : 30,615.20 = 12,113.41 : x
  2. Step 2: Convert to fraction form
    22,184.88/30,615.20 = 12,113.41/x
  3. Step 3: Cross multiply
    22,184.88x = 30,615.20 × 12,113.41
  4. Step 4: Simplify right side
    22,184.88x = 370,854,256.19
  5. Step 5: Solve for x
    x = 370,854,256.19/22,184.88
  6. Step 6: Final answer
    x = 16,716.53

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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.