Home / 14,296.20-19,729.08-8,328.12

Finding the Fourth Proportional to 14,296.20, 19,729.08 and 8,328.12

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Solution

The fourth proportional to 14,296.20, 19,729.08 and 8,328.12 is: 11,492.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,296.20 : 19,729.08 = 8,328.12 : x
  2. Step 2: Convert to fraction form
    14,296.20/19,729.08 = 8,328.12/x
  3. Step 3: Cross multiply
    14,296.20x = 19,729.08 × 8,328.12
  4. Step 4: Simplify right side
    14,296.20x = 164,306,145.73
  5. Step 5: Solve for x
    x = 164,306,145.73/14,296.20
  6. Step 6: Final answer
    x = 11,492.99

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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.