Home / 19,722.83-27,217.85-10,770.64

Finding the Fourth Proportional to 19,722.83, 27,217.85 and 10,770.64

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Solution

The fourth proportional to 19,722.83, 27,217.85 and 10,770.64 is: 14,863.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722.83 : 27,217.85 = 10,770.64 : x
  2. Step 2: Convert to fraction form
    19,722.83/27,217.85 = 10,770.64/x
  3. Step 3: Cross multiply
    19,722.83x = 27,217.85 × 10,770.64
  4. Step 4: Simplify right side
    19,722.83x = 293,153,542.03
  5. Step 5: Solve for x
    x = 293,153,542.03/19,722.83
  6. Step 6: Final answer
    x = 14,863.67

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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.