Home / 18,150.24-27,218.31-7,055.46

Finding the Fourth Proportional to 18,150.24, 27,218.31 and 7,055.46

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Solution

The fourth proportional to 18,150.24, 27,218.31 and 7,055.46 is: 10,580.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150.24 : 27,218.31 = 7,055.46 : x
  2. Step 2: Convert to fraction form
    18,150.24/27,218.31 = 7,055.46/x
  3. Step 3: Cross multiply
    18,150.24x = 27,218.31 × 7,055.46
  4. Step 4: Simplify right side
    18,150.24x = 192,037,697.47
  5. Step 5: Solve for x
    x = 192,037,697.47/18,150.24
  6. Step 6: Final answer
    x = 10,580.45

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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.