Home / 15,658.08-21,608.82-9,369.24

Finding the Fourth Proportional to 15,658.08, 21,608.82 and 9,369.24

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Solution

The fourth proportional to 15,658.08, 21,608.82 and 9,369.24 is: 12,929.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,658.08 : 21,608.82 = 9,369.24 : x
  2. Step 2: Convert to fraction form
    15,658.08/21,608.82 = 9,369.24/x
  3. Step 3: Cross multiply
    15,658.08x = 21,608.82 × 9,369.24
  4. Step 4: Simplify right side
    15,658.08x = 202,458,220.70
  5. Step 5: Solve for x
    x = 202,458,220.70/15,658.08
  6. Step 6: Final answer
    x = 12,929.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.