Home / 15,537.26-21,442.18-8,822.76

Finding the Fourth Proportional to 15,537.26, 21,442.18 and 8,822.76

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Solution

The fourth proportional to 15,537.26, 21,442.18 and 8,822.76 is: 12,175.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537.26 : 21,442.18 = 8,822.76 : x
  2. Step 2: Convert to fraction form
    15,537.26/21,442.18 = 8,822.76/x
  3. Step 3: Cross multiply
    15,537.26x = 21,442.18 × 8,822.76
  4. Step 4: Simplify right side
    15,537.26x = 189,179,208.02
  5. Step 5: Solve for x
    x = 189,179,208.02/15,537.26
  6. Step 6: Final answer
    x = 12,175.84

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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.