Home / 22,696.16-31,320.77-12,625.25

Finding the Fourth Proportional to 22,696.16, 31,320.77 and 12,625.25

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Solution

The fourth proportional to 22,696.16, 31,320.77 and 12,625.25 is: 17,422.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,696.16 : 31,320.77 = 12,625.25 : x
  2. Step 2: Convert to fraction form
    22,696.16/31,320.77 = 12,625.25/x
  3. Step 3: Cross multiply
    22,696.16x = 31,320.77 × 12,625.25
  4. Step 4: Simplify right side
    22,696.16x = 395,432,331.71
  5. Step 5: Solve for x
    x = 395,432,331.71/22,696.16
  6. Step 6: Final answer
    x = 17,422.88

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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.