Home / 22,803.90-31,468.75-12,732.05

Finding the Fourth Proportional to 22,803.90, 31,468.75 and 12,732.05

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Solution

The fourth proportional to 22,803.90, 31,468.75 and 12,732.05 is: 17,569.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,803.90 : 31,468.75 = 12,732.05 : x
  2. Step 2: Convert to fraction form
    22,803.90/31,468.75 = 12,732.05/x
  3. Step 3: Cross multiply
    22,803.90x = 31,468.75 × 12,732.05
  4. Step 4: Simplify right side
    22,803.90x = 400,661,745.28
  5. Step 5: Solve for x
    x = 400,661,745.28/22,803.90
  6. Step 6: Final answer
    x = 17,569.88

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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.