Home / 55,544.11-83,316.38-13,424.12

Finding the Fourth Proportional to 55,544.11, 83,316.38 and 13,424.12

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Solution

The fourth proportional to 55,544.11, 83,316.38 and 13,424.12 is: 20,136.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,544.11 : 83,316.38 = 13,424.12 : x
  2. Step 2: Convert to fraction form
    55,544.11/83,316.38 = 13,424.12/x
  3. Step 3: Cross multiply
    55,544.11x = 83,316.38 × 13,424.12
  4. Step 4: Simplify right side
    55,544.11x = 1,118,449,455.98
  5. Step 5: Solve for x
    x = 1,118,449,455.98/55,544.11
  6. Step 6: Final answer
    x = 20,136.24

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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.