Home / 19,722.94-27,217.74-10,770.64

Finding the Fourth Proportional to 19,722.94, 27,217.74 and 10,770.64

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Solution

The fourth proportional to 19,722.94, 27,217.74 and 10,770.64 is: 14,863.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722.94 : 27,217.74 = 10,770.64 : x
  2. Step 2: Convert to fraction form
    19,722.94/27,217.74 = 10,770.64/x
  3. Step 3: Cross multiply
    19,722.94x = 27,217.74 × 10,770.64
  4. Step 4: Simplify right side
    19,722.94x = 293,152,479.15
  5. Step 5: Solve for x
    x = 293,152,479.15/19,722.94
  6. Step 6: Final answer
    x = 14,863.53

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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.