Home / 15,658.73-21,610.41-8,586.53

Finding the Fourth Proportional to 15,658.73, 21,610.41 and 8,586.53

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Solution

The fourth proportional to 15,658.73, 21,610.41 and 8,586.53 is: 11,850.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,658.73 : 21,610.41 = 8,586.53 : x
  2. Step 2: Convert to fraction form
    15,658.73/21,610.41 = 8,586.53/x
  3. Step 3: Cross multiply
    15,658.73x = 21,610.41 × 8,586.53
  4. Step 4: Simplify right side
    15,658.73x = 185,558,433.78
  5. Step 5: Solve for x
    x = 185,558,433.78/15,658.73
  6. Step 6: Final answer
    x = 11,850.16

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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.