Home / 19,684.80-27,164.20-10,732.08

Finding the Fourth Proportional to 19,684.80, 27,164.20 and 10,732.08

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Solution

The fourth proportional to 19,684.80, 27,164.20 and 10,732.08 is: 14,809.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,684.80 : 27,164.20 = 10,732.08 : x
  2. Step 2: Convert to fraction form
    19,684.80/27,164.20 = 10,732.08/x
  3. Step 3: Cross multiply
    19,684.80x = 27,164.20 × 10,732.08
  4. Step 4: Simplify right side
    19,684.80x = 291,528,367.54
  5. Step 5: Solve for x
    x = 291,528,367.54/19,684.80
  6. Step 6: Final answer
    x = 14,809.82

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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.