Home / 19,750.08-27,255.12-11,251.80

Finding the Fourth Proportional to 19,750.08, 27,255.12 and 11,251.80

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Solution

The fourth proportional to 19,750.08, 27,255.12 and 11,251.80 is: 15,527.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,750.08 : 27,255.12 = 11,251.80 : x
  2. Step 2: Convert to fraction form
    19,750.08/27,255.12 = 11,251.80/x
  3. Step 3: Cross multiply
    19,750.08x = 27,255.12 × 11,251.80
  4. Step 4: Simplify right side
    19,750.08x = 306,669,159.22
  5. Step 5: Solve for x
    x = 306,669,159.22/19,750.08
  6. Step 6: Final answer
    x = 15,527.49

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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.