Home / 20,597.20-28,402.74-17,622.88

Finding the Fourth Proportional to 20,597.20, 28,402.74 and 17,622.88

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Solution

The fourth proportional to 20,597.20, 28,402.74 and 17,622.88 is: 24,301.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,597.20 : 28,402.74 = 17,622.88 : x
  2. Step 2: Convert to fraction form
    20,597.20/28,402.74 = 17,622.88/x
  3. Step 3: Cross multiply
    20,597.20x = 28,402.74 × 17,622.88
  4. Step 4: Simplify right side
    20,597.20x = 500,538,078.69
  5. Step 5: Solve for x
    x = 500,538,078.69/20,597.20
  6. Step 6: Final answer
    x = 24,301.27

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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.