Home / 18,406.23-25,400.58-10,022.73

Finding the Fourth Proportional to 18,406.23, 25,400.58 and 10,022.73

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Solution

The fourth proportional to 18,406.23, 25,400.58 and 10,022.73 is: 13,831.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,406.23 : 25,400.58 = 10,022.73 : x
  2. Step 2: Convert to fraction form
    18,406.23/25,400.58 = 10,022.73/x
  3. Step 3: Cross multiply
    18,406.23x = 25,400.58 × 10,022.73
  4. Step 4: Simplify right side
    18,406.23x = 254,583,155.18
  5. Step 5: Solve for x
    x = 254,583,155.18/18,406.23
  6. Step 6: Final answer
    x = 13,831.36

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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.