Home / 19,616.22-27,070.20-10,663.56

Finding the Fourth Proportional to 19,616.22, 27,070.20 and 10,663.56

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Solution

The fourth proportional to 19,616.22, 27,070.20 and 10,663.56 is: 14,715.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,616.22 : 27,070.20 = 10,663.56 : x
  2. Step 2: Convert to fraction form
    19,616.22/27,070.20 = 10,663.56/x
  3. Step 3: Cross multiply
    19,616.22x = 27,070.20 × 10,663.56
  4. Step 4: Simplify right side
    19,616.22x = 288,664,701.91
  5. Step 5: Solve for x
    x = 288,664,701.91/19,616.22
  6. Step 6: Final answer
    x = 14,715.61

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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.