Home / 20,251.45-27,946.35-11,052.65

Finding the Fourth Proportional to 20,251.45, 27,946.35 and 11,052.65

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Solution

The fourth proportional to 20,251.45, 27,946.35 and 11,052.65 is: 15,252.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251.45 : 27,946.35 = 11,052.65 : x
  2. Step 2: Convert to fraction form
    20,251.45/27,946.35 = 11,052.65/x
  3. Step 3: Cross multiply
    20,251.45x = 27,946.35 × 11,052.65
  4. Step 4: Simplify right side
    20,251.45x = 308,881,295.19
  5. Step 5: Solve for x
    x = 308,881,295.19/20,251.45
  6. Step 6: Final answer
    x = 15,252.30

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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.