Home / 20,566.47-28,381.82-11,614.08

Finding the Fourth Proportional to 20,566.47, 28,381.82 and 11,614.08

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Solution

The fourth proportional to 20,566.47, 28,381.82 and 11,614.08 is: 16,027.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566.47 : 28,381.82 = 11,614.08 : x
  2. Step 2: Convert to fraction form
    20,566.47/28,381.82 = 11,614.08/x
  3. Step 3: Cross multiply
    20,566.47x = 28,381.82 × 11,614.08
  4. Step 4: Simplify right side
    20,566.47x = 329,628,669.96
  5. Step 5: Solve for x
    x = 329,628,669.96/20,566.47
  6. Step 6: Final answer
    x = 16,027.48

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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.