Home / 22,267.32-33,402-12,399.17

Finding the Fourth Proportional to 22,267.32, 33,402 and 12,399.17

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Solution

The fourth proportional to 22,267.32, 33,402 and 12,399.17 is: 18,599.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,267.32 : 33,402 = 12,399.17 : x
  2. Step 2: Convert to fraction form
    22,267.32/33,402 = 12,399.17/x
  3. Step 3: Cross multiply
    22,267.32x = 33,402 × 12,399.17
  4. Step 4: Simplify right side
    22,267.32x = 414,156,909.33
  5. Step 5: Solve for x
    x = 414,156,909.33/22,267.32
  6. Step 6: Final answer
    x = 18,599.32

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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.