Home / 19,222.14-28,846.14-6,742.20

Finding the Fourth Proportional to 19,222.14, 28,846.14 and 6,742.20

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Solution

The fourth proportional to 19,222.14, 28,846.14 and 6,742.20 is: 10,117.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,222.14 : 28,846.14 = 6,742.20 : x
  2. Step 2: Convert to fraction form
    19,222.14/28,846.14 = 6,742.20/x
  3. Step 3: Cross multiply
    19,222.14x = 28,846.14 × 6,742.20
  4. Step 4: Simplify right side
    19,222.14x = 194,486,445.11
  5. Step 5: Solve for x
    x = 194,486,445.11/19,222.14
  6. Step 6: Final answer
    x = 10,117.84

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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.