Home / 20,597.72-28,397.36-16,362.84

Finding the Fourth Proportional to 20,597.72, 28,397.36 and 16,362.84

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Solution

The fourth proportional to 20,597.72, 28,397.36 and 16,362.84 is: 22,558.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,597.72 : 28,397.36 = 16,362.84 : x
  2. Step 2: Convert to fraction form
    20,597.72/28,397.36 = 16,362.84/x
  3. Step 3: Cross multiply
    20,597.72x = 28,397.36 × 16,362.84
  4. Step 4: Simplify right side
    20,597.72x = 464,661,392.52
  5. Step 5: Solve for x
    x = 464,661,392.52/20,597.72
  6. Step 6: Final answer
    x = 22,558.88

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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.