Home / 14,193.20-21,290.64-4,332.80

Finding the Fourth Proportional to 14,193.20, 21,290.64 and 4,332.80

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Solution

The fourth proportional to 14,193.20, 21,290.64 and 4,332.80 is: 6,499.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.20 : 21,290.64 = 4,332.80 : x
  2. Step 2: Convert to fraction form
    14,193.20/21,290.64 = 4,332.80/x
  3. Step 3: Cross multiply
    14,193.20x = 21,290.64 × 4,332.80
  4. Step 4: Simplify right side
    14,193.20x = 92,248,084.99
  5. Step 5: Solve for x
    x = 92,248,084.99/14,193.20
  6. Step 6: Final answer
    x = 6,499.46

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Similar ratio
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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.