Home / 22,347.64-30,838.38-12,274.12

Finding the Fourth Proportional to 22,347.64, 30,838.38 and 12,274.12

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Solution

The fourth proportional to 22,347.64, 30,838.38 and 12,274.12 is: 16,937.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,347.64 : 30,838.38 = 12,274.12 : x
  2. Step 2: Convert to fraction form
    22,347.64/30,838.38 = 12,274.12/x
  3. Step 3: Cross multiply
    22,347.64x = 30,838.38 × 12,274.12
  4. Step 4: Simplify right side
    22,347.64x = 378,513,976.73
  5. Step 5: Solve for x
    x = 378,513,976.73/22,347.64
  6. Step 6: Final answer
    x = 16,937.54

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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.