Home / 55,551.75-83,327.63-13,998.75

Finding the Fourth Proportional to 55,551.75, 83,327.63 and 13,998.75

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Solution

The fourth proportional to 55,551.75, 83,327.63 and 13,998.75 is: 20,998.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,551.75 : 83,327.63 = 13,998.75 : x
  2. Step 2: Convert to fraction form
    55,551.75/83,327.63 = 13,998.75/x
  3. Step 3: Cross multiply
    55,551.75x = 83,327.63 × 13,998.75
  4. Step 4: Simplify right side
    55,551.75x = 1,166,482,590.47
  5. Step 5: Solve for x
    x = 1,166,482,590.47/55,551.75
  6. Step 6: Final answer
    x = 20,998.13

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.