Home / 22,270.32-33,406.52-12,402.16

Finding the Fourth Proportional to 22,270.32, 33,406.52 and 12,402.16

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Solution

The fourth proportional to 22,270.32, 33,406.52 and 12,402.16 is: 18,603.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,270.32 : 33,406.52 = 12,402.16 : x
  2. Step 2: Convert to fraction form
    22,270.32/33,406.52 = 12,402.16/x
  3. Step 3: Cross multiply
    22,270.32x = 33,406.52 × 12,402.16
  4. Step 4: Simplify right side
    22,270.32x = 414,313,006.08
  5. Step 5: Solve for x
    x = 414,313,006.08/22,270.32
  6. Step 6: Final answer
    x = 18,603.82

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1.5x scale

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.