Home / 23,005.16-31,745.12-12,932.84

Finding the Fourth Proportional to 23,005.16, 31,745.12 and 12,932.84

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Solution

The fourth proportional to 23,005.16, 31,745.12 and 12,932.84 is: 17,846.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,005.16 : 31,745.12 = 12,932.84 : x
  2. Step 2: Convert to fraction form
    23,005.16/31,745.12 = 12,932.84/x
  3. Step 3: Cross multiply
    23,005.16x = 31,745.12 × 12,932.84
  4. Step 4: Simplify right side
    23,005.16x = 410,554,557.74
  5. Step 5: Solve for x
    x = 410,554,557.74/23,005.16
  6. Step 6: Final answer
    x = 17,846.19

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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.