Home / 19,649.13-27,115.77-10,696.68

Finding the Fourth Proportional to 19,649.13, 27,115.77 and 10,696.68

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Solution

The fourth proportional to 19,649.13, 27,115.77 and 10,696.68 is: 14,761.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,649.13 : 27,115.77 = 10,696.68 : x
  2. Step 2: Convert to fraction form
    19,649.13/27,115.77 = 10,696.68/x
  3. Step 3: Cross multiply
    19,649.13x = 27,115.77 × 10,696.68
  4. Step 4: Simplify right side
    19,649.13x = 290,048,714.64
  5. Step 5: Solve for x
    x = 290,048,714.64/19,649.13
  6. Step 6: Final answer
    x = 14,761.40

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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.