Home / 14,197.73-21,289.20-5,305.76

Finding the Fourth Proportional to 14,197.73, 21,289.20 and 5,305.76

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Solution

The fourth proportional to 14,197.73, 21,289.20 and 5,305.76 is: 7,955.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,197.73 : 21,289.20 = 5,305.76 : x
  2. Step 2: Convert to fraction form
    14,197.73/21,289.20 = 5,305.76/x
  3. Step 3: Cross multiply
    14,197.73x = 21,289.20 × 5,305.76
  4. Step 4: Simplify right side
    14,197.73x = 112,955,266.08
  5. Step 5: Solve for x
    x = 112,955,266.08/14,197.73
  6. Step 6: Final answer
    x = 7,955.87

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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.