Home / 22,409.55-30,923.28-12,336.39

Finding the Fourth Proportional to 22,409.55, 30,923.28 and 12,336.39

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Solution

The fourth proportional to 22,409.55, 30,923.28 and 12,336.39 is: 17,023.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,409.55 : 30,923.28 = 12,336.39 : x
  2. Step 2: Convert to fraction form
    22,409.55/30,923.28 = 12,336.39/x
  3. Step 3: Cross multiply
    22,409.55x = 30,923.28 × 12,336.39
  4. Step 4: Simplify right side
    22,409.55x = 381,481,642.16
  5. Step 5: Solve for x
    x = 381,481,642.16/22,409.55
  6. Step 6: Final answer
    x = 17,023.17

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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.