Home / 22,106.05-33,159.42-12,307.61

Finding the Fourth Proportional to 22,106.05, 33,159.42 and 12,307.61

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Solution

The fourth proportional to 22,106.05, 33,159.42 and 12,307.61 is: 18,461.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,106.05 : 33,159.42 = 12,307.61 : x
  2. Step 2: Convert to fraction form
    22,106.05/33,159.42 = 12,307.61/x
  3. Step 3: Cross multiply
    22,106.05x = 33,159.42 × 12,307.61
  4. Step 4: Simplify right side
    22,106.05x = 408,113,209.19
  5. Step 5: Solve for x
    x = 408,113,209.19/22,106.05
  6. Step 6: Final answer
    x = 18,461.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.