Home / 18,480.02-27,711.79-5,329.26

Finding the Fourth Proportional to 18,480.02, 27,711.79 and 5,329.26

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Solution

The fourth proportional to 18,480.02, 27,711.79 and 5,329.26 is: 7,991.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,480.02 : 27,711.79 = 5,329.26 : x
  2. Step 2: Convert to fraction form
    18,480.02/27,711.79 = 5,329.26/x
  3. Step 3: Cross multiply
    18,480.02x = 27,711.79 × 5,329.26
  4. Step 4: Simplify right side
    18,480.02x = 147,683,320.65
  5. Step 5: Solve for x
    x = 147,683,320.65/18,480.02
  6. Step 6: Final answer
    x = 7,991.52

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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.