Home / 22,207.68-30,618.72-14,235.84

Finding the Fourth Proportional to 22,207.68, 30,618.72 and 14,235.84

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Solution

The fourth proportional to 22,207.68, 30,618.72 and 14,235.84 is: 19,627.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,207.68 : 30,618.72 = 14,235.84 : x
  2. Step 2: Convert to fraction form
    22,207.68/30,618.72 = 14,235.84/x
  3. Step 3: Cross multiply
    22,207.68x = 30,618.72 × 14,235.84
  4. Step 4: Simplify right side
    22,207.68x = 435,883,198.92
  5. Step 5: Solve for x
    x = 435,883,198.92/22,207.68
  6. Step 6: Final answer
    x = 19,627.59

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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.