Home / 20,001.43-27,584.04-16,655.32

Finding the Fourth Proportional to 20,001.43, 27,584.04 and 16,655.32

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Solution

The fourth proportional to 20,001.43, 27,584.04 and 16,655.32 is: 22,969.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001.43 : 27,584.04 = 16,655.32 : x
  2. Step 2: Convert to fraction form
    20,001.43/27,584.04 = 16,655.32/x
  3. Step 3: Cross multiply
    20,001.43x = 27,584.04 × 16,655.32
  4. Step 4: Simplify right side
    20,001.43x = 459,421,013.09
  5. Step 5: Solve for x
    x = 459,421,013.09/20,001.43
  6. Step 6: Final answer
    x = 22,969.41

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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.