Home / 20,276.01-28,000.14-19,171.57

Finding the Fourth Proportional to 20,276.01, 28,000.14 and 19,171.57

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Solution

The fourth proportional to 20,276.01, 28,000.14 and 19,171.57 is: 26,474.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,276.01 : 28,000.14 = 19,171.57 : x
  2. Step 2: Convert to fraction form
    20,276.01/28,000.14 = 19,171.57/x
  3. Step 3: Cross multiply
    20,276.01x = 28,000.14 × 19,171.57
  4. Step 4: Simplify right side
    20,276.01x = 536,806,644.02
  5. Step 5: Solve for x
    x = 536,806,644.02/20,276.01
  6. Step 6: Final answer
    x = 26,474.96

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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.