Home / 19,240.08-28,830.92-14,286.52

Finding the Fourth Proportional to 19,240.08, 28,830.92 and 14,286.52

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Solution

The fourth proportional to 19,240.08, 28,830.92 and 14,286.52 is: 21,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,240.08 : 28,830.92 = 14,286.52 : x
  2. Step 2: Convert to fraction form
    19,240.08/28,830.92 = 14,286.52/x
  3. Step 3: Cross multiply
    19,240.08x = 28,830.92 × 14,286.52
  4. Step 4: Simplify right side
    19,240.08x = 411,893,515.20
  5. Step 5: Solve for x
    x = 411,893,515.20/19,240.08
  6. Step 6: Final answer
    x = 21,408.10

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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.