Home / 20,375.72-28,082.76-17,536.04

Finding the Fourth Proportional to 20,375.72, 28,082.76 and 17,536.04

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Solution

The fourth proportional to 20,375.72, 28,082.76 and 17,536.04 is: 24,168.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,375.72 : 28,082.76 = 17,536.04 : x
  2. Step 2: Convert to fraction form
    20,375.72/28,082.76 = 17,536.04/x
  3. Step 3: Cross multiply
    20,375.72x = 28,082.76 × 17,536.04
  4. Step 4: Simplify right side
    20,375.72x = 492,460,402.67
  5. Step 5: Solve for x
    x = 492,460,402.67/20,375.72
  6. Step 6: Final answer
    x = 24,168.98

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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.