Home / 14,319.18-19,758.60-8,351.91

Finding the Fourth Proportional to 14,319.18, 19,758.60 and 8,351.91

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Solution

The fourth proportional to 14,319.18, 19,758.60 and 8,351.91 is: 11,524.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,319.18 : 19,758.60 = 8,351.91 : x
  2. Step 2: Convert to fraction form
    14,319.18/19,758.60 = 8,351.91/x
  3. Step 3: Cross multiply
    14,319.18x = 19,758.60 × 8,351.91
  4. Step 4: Simplify right side
    14,319.18x = 165,022,048.93
  5. Step 5: Solve for x
    x = 165,022,048.93/14,319.18
  6. Step 6: Final answer
    x = 11,524.55

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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.