Home / 19,742.97-29,626.12-7,271.74

Finding the Fourth Proportional to 19,742.97, 29,626.12 and 7,271.74

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Solution

The fourth proportional to 19,742.97, 29,626.12 and 7,271.74 is: 10,911.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,742.97 : 29,626.12 = 7,271.74 : x
  2. Step 2: Convert to fraction form
    19,742.97/29,626.12 = 7,271.74/x
  3. Step 3: Cross multiply
    19,742.97x = 29,626.12 × 7,271.74
  4. Step 4: Simplify right side
    19,742.97x = 215,433,441.85
  5. Step 5: Solve for x
    x = 215,433,441.85/19,742.97
  6. Step 6: Final answer
    x = 10,911.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.