Home / 20,591.08-28,397.34-16,054.88

Finding the Fourth Proportional to 20,591.08, 28,397.34 and 16,054.88

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Solution

The fourth proportional to 20,591.08, 28,397.34 and 16,054.88 is: 22,141.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,591.08 : 28,397.34 = 16,054.88 : x
  2. Step 2: Convert to fraction form
    20,591.08/28,397.34 = 16,054.88/x
  3. Step 3: Cross multiply
    20,591.08x = 28,397.34 × 16,054.88
  4. Step 4: Simplify right side
    20,591.08x = 455,915,744.03
  5. Step 5: Solve for x
    x = 455,915,744.03/20,591.08
  6. Step 6: Final answer
    x = 22,141.42

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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.