Home / 26,364.69-36,338.90-19,989.18

Finding the Fourth Proportional to 26,364.69, 36,338.90 and 19,989.18

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Solution

The fourth proportional to 26,364.69, 36,338.90 and 19,989.18 is: 27,551.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,364.69 : 36,338.90 = 19,989.18 : x
  2. Step 2: Convert to fraction form
    26,364.69/36,338.90 = 19,989.18/x
  3. Step 3: Cross multiply
    26,364.69x = 36,338.90 × 19,989.18
  4. Step 4: Simplify right side
    26,364.69x = 726,384,713.16
  5. Step 5: Solve for x
    x = 726,384,713.16/26,364.69
  6. Step 6: Final answer
    x = 27,551.42

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Half scale
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Double 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.