Home / 19,649.16-27,115.81-10,696.71

Finding the Fourth Proportional to 19,649.16, 27,115.81 and 10,696.71

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Solution

The fourth proportional to 19,649.16, 27,115.81 and 10,696.71 is: 14,761.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,649.16 : 27,115.81 = 10,696.71 : x
  2. Step 2: Convert to fraction form
    19,649.16/27,115.81 = 10,696.71/x
  3. Step 3: Cross multiply
    19,649.16x = 27,115.81 × 10,696.71
  4. Step 4: Simplify right side
    19,649.16x = 290,049,938.57
  5. Step 5: Solve for x
    x = 290,049,938.57/19,649.16
  6. Step 6: Final answer
    x = 14,761.44

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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.