Home / 15,537.64-21,442.44-8,823.56

Finding the Fourth Proportional to 15,537.64, 21,442.44 and 8,823.56

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Solution

The fourth proportional to 15,537.64, 21,442.44 and 8,823.56 is: 12,176.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537.64 : 21,442.44 = 8,823.56 : x
  2. Step 2: Convert to fraction form
    15,537.64/21,442.44 = 8,823.56/x
  3. Step 3: Cross multiply
    15,537.64x = 21,442.44 × 8,823.56
  4. Step 4: Simplify right side
    15,537.64x = 189,198,655.89
  5. Step 5: Solve for x
    x = 189,198,655.89/15,537.64
  6. Step 6: Final answer
    x = 12,176.79

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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.