Home / 22,357.38-30,853.18-12,926.55

Finding the Fourth Proportional to 22,357.38, 30,853.18 and 12,926.55

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Solution

The fourth proportional to 22,357.38, 30,853.18 and 12,926.55 is: 17,838.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,357.38 : 30,853.18 = 12,926.55 : x
  2. Step 2: Convert to fraction form
    22,357.38/30,853.18 = 12,926.55/x
  3. Step 3: Cross multiply
    22,357.38x = 30,853.18 × 12,926.55
  4. Step 4: Simplify right side
    22,357.38x = 398,825,173.93
  5. Step 5: Solve for x
    x = 398,825,173.93/22,357.38
  6. Step 6: Final answer
    x = 17,838.64

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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.