Home / 22,696.11-31,316.84-12,623.22

Finding the Fourth Proportional to 22,696.11, 31,316.84 and 12,623.22

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Solution

The fourth proportional to 22,696.11, 31,316.84 and 12,623.22 is: 17,417.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,696.11 : 31,316.84 = 12,623.22 : x
  2. Step 2: Convert to fraction form
    22,696.11/31,316.84 = 12,623.22/x
  3. Step 3: Cross multiply
    22,696.11x = 31,316.84 × 12,623.22
  4. Step 4: Simplify right side
    22,696.11x = 395,319,297.91
  5. Step 5: Solve for x
    x = 395,319,297.91/22,696.11
  6. Step 6: Final answer
    x = 17,417.93

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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.