Home / 16,481.08-22,745.28-9,312.31

Finding the Fourth Proportional to 16,481.08, 22,745.28 and 9,312.31

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Solution

The fourth proportional to 16,481.08, 22,745.28 and 9,312.31 is: 12,851.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,481.08 : 22,745.28 = 9,312.31 : x
  2. Step 2: Convert to fraction form
    16,481.08/22,745.28 = 9,312.31/x
  3. Step 3: Cross multiply
    16,481.08x = 22,745.28 × 9,312.31
  4. Step 4: Simplify right side
    16,481.08x = 211,811,041.53
  5. Step 5: Solve for x
    x = 211,811,041.53/16,481.08
  6. Step 6: Final answer
    x = 12,851.77

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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.