Home / 19,252.91-28,880.38-5,402.99

Finding the Fourth Proportional to 19,252.91, 28,880.38 and 5,402.99

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Solution

The fourth proportional to 19,252.91, 28,880.38 and 5,402.99 is: 8,104.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,252.91 : 28,880.38 = 5,402.99 : x
  2. Step 2: Convert to fraction form
    19,252.91/28,880.38 = 5,402.99/x
  3. Step 3: Cross multiply
    19,252.91x = 28,880.38 × 5,402.99
  4. Step 4: Simplify right side
    19,252.91x = 156,040,404.34
  5. Step 5: Solve for x
    x = 156,040,404.34/19,252.91
  6. Step 6: Final answer
    x = 8,104.77

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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.