Home / 22,358.06-30,853.51-12,286.47

Finding the Fourth Proportional to 22,358.06, 30,853.51 and 12,286.47

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Solution

The fourth proportional to 22,358.06, 30,853.51 and 12,286.47 is: 16,954.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,358.06 : 30,853.51 = 12,286.47 : x
  2. Step 2: Convert to fraction form
    22,358.06/30,853.51 = 12,286.47/x
  3. Step 3: Cross multiply
    22,358.06x = 30,853.51 × 12,286.47
  4. Step 4: Simplify right side
    22,358.06x = 379,080,725.01
  5. Step 5: Solve for x
    x = 379,080,725.01/22,358.06
  6. Step 6: Final answer
    x = 16,954.99

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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.