Home / 22,349.51-30,842.84-12,278.58

Finding the Fourth Proportional to 22,349.51, 30,842.84 and 12,278.58

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Solution

The fourth proportional to 22,349.51, 30,842.84 and 12,278.58 is: 16,944.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,349.51 : 30,842.84 = 12,278.58 : x
  2. Step 2: Convert to fraction form
    22,349.51/30,842.84 = 12,278.58/x
  3. Step 3: Cross multiply
    22,349.51x = 30,842.84 × 12,278.58
  4. Step 4: Simplify right side
    22,349.51x = 378,706,124.15
  5. Step 5: Solve for x
    x = 378,706,124.15/22,349.51
  6. Step 6: Final answer
    x = 16,944.72

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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.