Home / 19,222.30-28,846.50-6,742.23

Finding the Fourth Proportional to 19,222.30, 28,846.50 and 6,742.23

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Solution

The fourth proportional to 19,222.30, 28,846.50 and 6,742.23 is: 10,117.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,222.30 : 28,846.50 = 6,742.23 : x
  2. Step 2: Convert to fraction form
    19,222.30/28,846.50 = 6,742.23/x
  3. Step 3: Cross multiply
    19,222.30x = 28,846.50 × 6,742.23
  4. Step 4: Simplify right side
    19,222.30x = 194,489,737.70
  5. Step 5: Solve for x
    x = 194,489,737.70/19,222.30
  6. Step 6: Final answer
    x = 10,117.92

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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.