Home / 19,649.43-27,115.56-10,696.77

Finding the Fourth Proportional to 19,649.43, 27,115.56 and 10,696.77

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Solution

The fourth proportional to 19,649.43, 27,115.56 and 10,696.77 is: 14,761.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,649.43 : 27,115.56 = 10,696.77 : x
  2. Step 2: Convert to fraction form
    19,649.43/27,115.56 = 10,696.77/x
  3. Step 3: Cross multiply
    19,649.43x = 27,115.56 × 10,696.77
  4. Step 4: Simplify right side
    19,649.43x = 290,048,908.74
  5. Step 5: Solve for x
    x = 290,048,908.74/19,649.43
  6. Step 6: Final answer
    x = 14,761.19

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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.