Home / 22,690.16-31,310.03-12,616.97

Finding the Fourth Proportional to 22,690.16, 31,310.03 and 12,616.97

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Solution

The fourth proportional to 22,690.16, 31,310.03 and 12,616.97 is: 17,410.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,690.16 : 31,310.03 = 12,616.97 : x
  2. Step 2: Convert to fraction form
    22,690.16/31,310.03 = 12,616.97/x
  3. Step 3: Cross multiply
    22,690.16x = 31,310.03 × 12,616.97
  4. Step 4: Simplify right side
    22,690.16x = 395,037,489.57
  5. Step 5: Solve for x
    x = 395,037,489.57/22,690.16
  6. Step 6: Final answer
    x = 17,410.08

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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.