Home / 22,696.74-31,320.95-12,625.20

Finding the Fourth Proportional to 22,696.74, 31,320.95 and 12,625.20

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Solution

The fourth proportional to 22,696.74, 31,320.95 and 12,625.20 is: 17,422.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,696.74 : 31,320.95 = 12,625.20 : x
  2. Step 2: Convert to fraction form
    22,696.74/31,320.95 = 12,625.20/x
  3. Step 3: Cross multiply
    22,696.74x = 31,320.95 × 12,625.20
  4. Step 4: Simplify right side
    22,696.74x = 395,433,194.81
  5. Step 5: Solve for x
    x = 395,433,194.81/22,696.74
  6. Step 6: Final answer
    x = 17,422.47

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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.