Home / 19,722.95-27,217.45-10,770.42

Finding the Fourth Proportional to 19,722.95, 27,217.45 and 10,770.42

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Solution

The fourth proportional to 19,722.95, 27,217.45 and 10,770.42 is: 14,863.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722.95 : 27,217.45 = 10,770.42 : x
  2. Step 2: Convert to fraction form
    19,722.95/27,217.45 = 10,770.42/x
  3. Step 3: Cross multiply
    19,722.95x = 27,217.45 × 10,770.42
  4. Step 4: Simplify right side
    19,722.95x = 293,143,367.83
  5. Step 5: Solve for x
    x = 293,143,367.83/19,722.95
  6. Step 6: Final answer
    x = 14,863.06

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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.