Home / 14,230.75-21,347.15-5,465.66

Finding the Fourth Proportional to 14,230.75, 21,347.15 and 5,465.66

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Solution

The fourth proportional to 14,230.75, 21,347.15 and 5,465.66 is: 8,198.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,230.75 : 21,347.15 = 5,465.66 : x
  2. Step 2: Convert to fraction form
    14,230.75/21,347.15 = 5,465.66/x
  3. Step 3: Cross multiply
    14,230.75x = 21,347.15 × 5,465.66
  4. Step 4: Simplify right side
    14,230.75x = 116,676,209.86
  5. Step 5: Solve for x
    x = 116,676,209.86/14,230.75
  6. Step 6: Final answer
    x = 8,198.88

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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.