Home / 18,406.24-25,400.40-10,022.56

Finding the Fourth Proportional to 18,406.24, 25,400.40 and 10,022.56

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Solution

The fourth proportional to 18,406.24, 25,400.40 and 10,022.56 is: 13,831.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,406.24 : 25,400.40 = 10,022.56 : x
  2. Step 2: Convert to fraction form
    18,406.24/25,400.40 = 10,022.56/x
  3. Step 3: Cross multiply
    18,406.24x = 25,400.40 × 10,022.56
  4. Step 4: Simplify right side
    18,406.24x = 254,577,033.02
  5. Step 5: Solve for x
    x = 254,577,033.02/18,406.24
  6. Step 6: Final answer
    x = 13,831.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.