Home / 19,616.41-27,070.69-10,663.90

Finding the Fourth Proportional to 19,616.41, 27,070.69 and 10,663.90

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Solution

The fourth proportional to 19,616.41, 27,070.69 and 10,663.90 is: 14,716.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,616.41 : 27,070.69 = 10,663.90 : x
  2. Step 2: Convert to fraction form
    19,616.41/27,070.69 = 10,663.90/x
  3. Step 3: Cross multiply
    19,616.41x = 27,070.69 × 10,663.90
  4. Step 4: Simplify right side
    19,616.41x = 288,679,131.09
  5. Step 5: Solve for x
    x = 288,679,131.09/19,616.41
  6. Step 6: Final answer
    x = 14,716.21

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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.