Home / 22,745.36-31,384.85-12,671.52

Finding the Fourth Proportional to 22,745.36, 31,384.85 and 12,671.52

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Solution

The fourth proportional to 22,745.36, 31,384.85 and 12,671.52 is: 17,484.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,745.36 : 31,384.85 = 12,671.52 : x
  2. Step 2: Convert to fraction form
    22,745.36/31,384.85 = 12,671.52/x
  3. Step 3: Cross multiply
    22,745.36x = 31,384.85 × 12,671.52
  4. Step 4: Simplify right side
    22,745.36x = 397,693,691.11
  5. Step 5: Solve for x
    x = 397,693,691.11/22,745.36
  6. Step 6: Final answer
    x = 17,484.61

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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.