Home / 19,251.18-28,870.29-5,396.94

Finding the Fourth Proportional to 19,251.18, 28,870.29 and 5,396.94

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Solution

The fourth proportional to 19,251.18, 28,870.29 and 5,396.94 is: 8,093.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251.18 : 28,870.29 = 5,396.94 : x
  2. Step 2: Convert to fraction form
    19,251.18/28,870.29 = 5,396.94/x
  3. Step 3: Cross multiply
    19,251.18x = 28,870.29 × 5,396.94
  4. Step 4: Simplify right side
    19,251.18x = 155,811,222.91
  5. Step 5: Solve for x
    x = 155,811,222.91/19,251.18
  6. Step 6: Final answer
    x = 8,093.59

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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.