Home / 18,853.68-26,021.26-10,900.48

Finding the Fourth Proportional to 18,853.68, 26,021.26 and 10,900.48

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Solution

The fourth proportional to 18,853.68, 26,021.26 and 10,900.48 is: 15,044.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,853.68 : 26,021.26 = 10,900.48 : x
  2. Step 2: Convert to fraction form
    18,853.68/26,021.26 = 10,900.48/x
  3. Step 3: Cross multiply
    18,853.68x = 26,021.26 × 10,900.48
  4. Step 4: Simplify right side
    18,853.68x = 283,644,224.20
  5. Step 5: Solve for x
    x = 283,644,224.20/18,853.68
  6. Step 6: Final answer
    x = 15,044.50

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Half scale
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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.