Home / 19,616.11-27,070.76-10,664.21

Finding the Fourth Proportional to 19,616.11, 27,070.76 and 10,664.21

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Solution

The fourth proportional to 19,616.11, 27,070.76 and 10,664.21 is: 14,716.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,616.11 : 27,070.76 = 10,664.21 : x
  2. Step 2: Convert to fraction form
    19,616.11/27,070.76 = 10,664.21/x
  3. Step 3: Cross multiply
    19,616.11x = 27,070.76 × 10,664.21
  4. Step 4: Simplify right side
    19,616.11x = 288,688,363.84
  5. Step 5: Solve for x
    x = 288,688,363.84/19,616.11
  6. Step 6: Final answer
    x = 14,716.90

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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.