Home / 19,649.36-27,116.10-10,696.85

Finding the Fourth Proportional to 19,649.36, 27,116.10 and 10,696.85

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Solution

The fourth proportional to 19,649.36, 27,116.10 and 10,696.85 is: 14,761.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,649.36 : 27,116.10 = 10,696.85 : x
  2. Step 2: Convert to fraction form
    19,649.36/27,116.10 = 10,696.85/x
  3. Step 3: Cross multiply
    19,649.36x = 27,116.10 × 10,696.85
  4. Step 4: Simplify right side
    19,649.36x = 290,056,854.29
  5. Step 5: Solve for x
    x = 290,056,854.29/19,649.36
  6. Step 6: Final answer
    x = 14,761.64

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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.