Home / 22,357.51-30,853.92-12,286.62

Finding the Fourth Proportional to 22,357.51, 30,853.92 and 12,286.62

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Solution

The fourth proportional to 22,357.51, 30,853.92 and 12,286.62 is: 16,955.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,357.51 : 30,853.92 = 12,286.62 : x
  2. Step 2: Convert to fraction form
    22,357.51/30,853.92 = 12,286.62/x
  3. Step 3: Cross multiply
    22,357.51x = 30,853.92 × 12,286.62
  4. Step 4: Simplify right side
    22,357.51x = 379,090,390.55
  5. Step 5: Solve for x
    x = 379,090,390.55/22,357.51
  6. Step 6: Final answer
    x = 16,955.84

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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.