Home / 18,293.19-27,443.61-10,399.34

Finding the Fourth Proportional to 18,293.19, 27,443.61 and 10,399.34

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Solution

The fourth proportional to 18,293.19, 27,443.61 and 10,399.34 is: 15,601.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,293.19 : 27,443.61 = 10,399.34 : x
  2. Step 2: Convert to fraction form
    18,293.19/27,443.61 = 10,399.34/x
  3. Step 3: Cross multiply
    18,293.19x = 27,443.61 × 10,399.34
  4. Step 4: Simplify right side
    18,293.19x = 285,395,345.46
  5. Step 5: Solve for x
    x = 285,395,345.46/18,293.19
  6. Step 6: Final answer
    x = 15,601.18

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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.