Home / 55,551.81-83,327.72-13,998.81

Finding the Fourth Proportional to 55,551.81, 83,327.72 and 13,998.81

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Solution

The fourth proportional to 55,551.81, 83,327.72 and 13,998.81 is: 20,998.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,551.81 : 83,327.72 = 13,998.81 : x
  2. Step 2: Convert to fraction form
    55,551.81/83,327.72 = 13,998.81/x
  3. Step 3: Cross multiply
    55,551.81x = 83,327.72 × 13,998.81
  4. Step 4: Simplify right side
    55,551.81x = 1,166,488,920.01
  5. Step 5: Solve for x
    x = 1,166,488,920.01/55,551.81
  6. Step 6: Final answer
    x = 20,998.22

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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.