Home / 18,406.08-25,400.52-10,022.76

Finding the Fourth Proportional to 18,406.08, 25,400.52 and 10,022.76

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Solution

The fourth proportional to 18,406.08, 25,400.52 and 10,022.76 is: 13,831.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,406.08 : 25,400.52 = 10,022.76 : x
  2. Step 2: Convert to fraction form
    18,406.08/25,400.52 = 10,022.76/x
  3. Step 3: Cross multiply
    18,406.08x = 25,400.52 × 10,022.76
  4. Step 4: Simplify right side
    18,406.08x = 254,583,315.84
  5. Step 5: Solve for x
    x = 254,583,315.84/18,406.08
  6. Step 6: Final answer
    x = 13,831.48

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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.