Home / 14,812.30-20,440.74-8,097.77

Finding the Fourth Proportional to 14,812.30, 20,440.74 and 8,097.77

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Solution

The fourth proportional to 14,812.30, 20,440.74 and 8,097.77 is: 11,174.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,812.30 : 20,440.74 = 8,097.77 : x
  2. Step 2: Convert to fraction form
    14,812.30/20,440.74 = 8,097.77/x
  3. Step 3: Cross multiply
    14,812.30x = 20,440.74 × 8,097.77
  4. Step 4: Simplify right side
    14,812.30x = 165,524,268.46
  5. Step 5: Solve for x
    x = 165,524,268.46/14,812.30
  6. Step 6: Final answer
    x = 11,174.79

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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.