Home / 19,282.30-28,930.65-7,603.66

Finding the Fourth Proportional to 19,282.30, 28,930.65 and 7,603.66

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Solution

The fourth proportional to 19,282.30, 28,930.65 and 7,603.66 is: 11,408.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,282.30 : 28,930.65 = 7,603.66 : x
  2. Step 2: Convert to fraction form
    19,282.30/28,930.65 = 7,603.66/x
  3. Step 3: Cross multiply
    19,282.30x = 28,930.65 × 7,603.66
  4. Step 4: Simplify right side
    19,282.30x = 219,978,826.18
  5. Step 5: Solve for x
    x = 219,978,826.18/19,282.30
  6. Step 6: Final answer
    x = 11,408.33

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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.