Home / 22,398.37-33,618.32-11,312.84

Finding the Fourth Proportional to 22,398.37, 33,618.32 and 11,312.84

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Solution

The fourth proportional to 22,398.37, 33,618.32 and 11,312.84 is: 16,979.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,398.37 : 33,618.32 = 11,312.84 : x
  2. Step 2: Convert to fraction form
    22,398.37/33,618.32 = 11,312.84/x
  3. Step 3: Cross multiply
    22,398.37x = 33,618.32 × 11,312.84
  4. Step 4: Simplify right side
    22,398.37x = 380,318,675.23
  5. Step 5: Solve for x
    x = 380,318,675.23/22,398.37
  6. Step 6: Final answer
    x = 16,979.75

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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.