Home / 18,053.88-27,080.78-4,908.16

Finding the Fourth Proportional to 18,053.88, 27,080.78 and 4,908.16

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Solution

The fourth proportional to 18,053.88, 27,080.78 and 4,908.16 is: 7,362.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,053.88 : 27,080.78 = 4,908.16 : x
  2. Step 2: Convert to fraction form
    18,053.88/27,080.78 = 4,908.16/x
  3. Step 3: Cross multiply
    18,053.88x = 27,080.78 × 4,908.16
  4. Step 4: Simplify right side
    18,053.88x = 132,916,801.16
  5. Step 5: Solve for x
    x = 132,916,801.16/18,053.88
  6. Step 6: Final answer
    x = 7,362.23

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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.