Home / 18,936.23-26,127.51-10,976.92

Finding the Fourth Proportional to 18,936.23, 26,127.51 and 10,976.92

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Solution

The fourth proportional to 18,936.23, 26,127.51 and 10,976.92 is: 15,145.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,936.23 : 26,127.51 = 10,976.92 : x
  2. Step 2: Convert to fraction form
    18,936.23/26,127.51 = 10,976.92/x
  3. Step 3: Cross multiply
    18,936.23x = 26,127.51 × 10,976.92
  4. Step 4: Simplify right side
    18,936.23x = 286,799,542.33
  5. Step 5: Solve for x
    x = 286,799,542.33/18,936.23
  6. Step 6: Final answer
    x = 15,145.55

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Half scale
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Double scale
Find fourth proportional to 18,937.23, 26,128.89 and 10,977.92
Similar ratio
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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.