Home / 14,101.70-21,152.55-5,778.95

Finding the Fourth Proportional to 14,101.70, 21,152.55 and 5,778.95

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Solution

The fourth proportional to 14,101.70, 21,152.55 and 5,778.95 is: 8,668.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.70 : 21,152.55 = 5,778.95 : x
  2. Step 2: Convert to fraction form
    14,101.70/21,152.55 = 5,778.95/x
  3. Step 3: Cross multiply
    14,101.70x = 21,152.55 × 5,778.95
  4. Step 4: Simplify right side
    14,101.70x = 122,239,528.82
  5. Step 5: Solve for x
    x = 122,239,528.82/14,101.70
  6. Step 6: Final answer
    x = 8,668.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.