Home / 22,165.55-30,587.19-12,604.11

Finding the Fourth Proportional to 22,165.55, 30,587.19 and 12,604.11

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Solution

The fourth proportional to 22,165.55, 30,587.19 and 12,604.11 is: 17,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,165.55 : 30,587.19 = 12,604.11 : x
  2. Step 2: Convert to fraction form
    22,165.55/30,587.19 = 12,604.11/x
  3. Step 3: Cross multiply
    22,165.55x = 30,587.19 × 12,604.11
  4. Step 4: Simplify right side
    22,165.55x = 385,524,307.35
  5. Step 5: Solve for x
    x = 385,524,307.35/22,165.55
  6. Step 6: Final answer
    x = 17,392.95

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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.