Home / 17,930.85-26,781.55-16,239.72

Finding the Fourth Proportional to 17,930.85, 26,781.55 and 16,239.72

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Solution

The fourth proportional to 17,930.85, 26,781.55 and 16,239.72 is: 24,255.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,930.85 : 26,781.55 = 16,239.72 : x
  2. Step 2: Convert to fraction form
    17,930.85/26,781.55 = 16,239.72/x
  3. Step 3: Cross multiply
    17,930.85x = 26,781.55 × 16,239.72
  4. Step 4: Simplify right side
    17,930.85x = 434,924,832.57
  5. Step 5: Solve for x
    x = 434,924,832.57/17,930.85
  6. Step 6: Final answer
    x = 24,255.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.