Home / 22,184.79-30,615.29-12,113.47

Finding the Fourth Proportional to 22,184.79, 30,615.29 and 12,113.47

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Solution

The fourth proportional to 22,184.79, 30,615.29 and 12,113.47 is: 16,716.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,184.79 : 30,615.29 = 12,113.47 : x
  2. Step 2: Convert to fraction form
    22,184.79/30,615.29 = 12,113.47/x
  3. Step 3: Cross multiply
    22,184.79x = 30,615.29 × 12,113.47
  4. Step 4: Simplify right side
    22,184.79x = 370,857,396.96
  5. Step 5: Solve for x
    x = 370,857,396.96/22,184.79
  6. Step 6: Final answer
    x = 16,716.74

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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.