Home / 19,616.55-27,070.78-10,663.99

Finding the Fourth Proportional to 19,616.55, 27,070.78 and 10,663.99

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Solution

The fourth proportional to 19,616.55, 27,070.78 and 10,663.99 is: 14,716.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,616.55 : 27,070.78 = 10,663.99 : x
  2. Step 2: Convert to fraction form
    19,616.55/27,070.78 = 10,663.99/x
  3. Step 3: Cross multiply
    19,616.55x = 27,070.78 × 10,663.99
  4. Step 4: Simplify right side
    19,616.55x = 288,682,648.98
  5. Step 5: Solve for x
    x = 288,682,648.98/19,616.55
  6. Step 6: Final answer
    x = 14,716.28

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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.