Home / 16,309.15-22,507.15-9,235.42

Finding the Fourth Proportional to 16,309.15, 22,507.15 and 9,235.42

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Solution

The fourth proportional to 16,309.15, 22,507.15 and 9,235.42 is: 12,745.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,309.15 : 22,507.15 = 9,235.42 : x
  2. Step 2: Convert to fraction form
    16,309.15/22,507.15 = 9,235.42/x
  3. Step 3: Cross multiply
    16,309.15x = 22,507.15 × 9,235.42
  4. Step 4: Simplify right side
    16,309.15x = 207,862,870.72
  5. Step 5: Solve for x
    x = 207,862,870.72/16,309.15
  6. Step 6: Final answer
    x = 12,745.17

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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.