Home / 55,629.24-83,443.09-13,509.65

Finding the Fourth Proportional to 55,629.24, 83,443.09 and 13,509.65

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Solution

The fourth proportional to 55,629.24, 83,443.09 and 13,509.65 is: 20,264.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,629.24 : 83,443.09 = 13,509.65 : x
  2. Step 2: Convert to fraction form
    55,629.24/83,443.09 = 13,509.65/x
  3. Step 3: Cross multiply
    55,629.24x = 83,443.09 × 13,509.65
  4. Step 4: Simplify right side
    55,629.24x = 1,127,286,940.82
  5. Step 5: Solve for x
    x = 1,127,286,940.82/55,629.24
  6. Step 6: Final answer
    x = 20,264.29

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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.