Home / 19,305.70-26,644.89-13,998.58

Finding the Fourth Proportional to 19,305.70, 26,644.89 and 13,998.58

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Solution

The fourth proportional to 19,305.70, 26,644.89 and 13,998.58 is: 19,320.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,305.70 : 26,644.89 = 13,998.58 : x
  2. Step 2: Convert to fraction form
    19,305.70/26,644.89 = 13,998.58/x
  3. Step 3: Cross multiply
    19,305.70x = 26,644.89 × 13,998.58
  4. Step 4: Simplify right side
    19,305.70x = 372,990,624.26
  5. Step 5: Solve for x
    x = 372,990,624.26/19,305.70
  6. Step 6: Final answer
    x = 19,320.23

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Half scale
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Double scale
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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.