Home / 18,843.93-26,006.69-10,778.34

Finding the Fourth Proportional to 18,843.93, 26,006.69 and 10,778.34

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Solution

The fourth proportional to 18,843.93, 26,006.69 and 10,778.34 is: 14,875.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,843.93 : 26,006.69 = 10,778.34 : x
  2. Step 2: Convert to fraction form
    18,843.93/26,006.69 = 10,778.34/x
  3. Step 3: Cross multiply
    18,843.93x = 26,006.69 × 10,778.34
  4. Step 4: Simplify right side
    18,843.93x = 280,308,947.09
  5. Step 5: Solve for x
    x = 280,308,947.09/18,843.93
  6. Step 6: Final answer
    x = 14,875.29

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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.