Home / 15,044.32-20,748.57-11,276.33

Finding the Fourth Proportional to 15,044.32, 20,748.57 and 11,276.33

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Solution

The fourth proportional to 15,044.32, 20,748.57 and 11,276.33 is: 15,551.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,044.32 : 20,748.57 = 11,276.33 : x
  2. Step 2: Convert to fraction form
    15,044.32/20,748.57 = 11,276.33/x
  3. Step 3: Cross multiply
    15,044.32x = 20,748.57 × 11,276.33
  4. Step 4: Simplify right side
    15,044.32x = 233,967,722.35
  5. Step 5: Solve for x
    x = 233,967,722.35/15,044.32
  6. Step 6: Final answer
    x = 15,551.90

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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.