Home / 14,812.08-20,440.63-8,097.72

Finding the Fourth Proportional to 14,812.08, 20,440.63 and 8,097.72

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Solution

The fourth proportional to 14,812.08, 20,440.63 and 8,097.72 is: 11,174.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,812.08 : 20,440.63 = 8,097.72 : x
  2. Step 2: Convert to fraction form
    14,812.08/20,440.63 = 8,097.72/x
  3. Step 3: Cross multiply
    14,812.08x = 20,440.63 × 8,097.72
  4. Step 4: Simplify right side
    14,812.08x = 165,522,498.36
  5. Step 5: Solve for x
    x = 165,522,498.36/14,812.08
  6. Step 6: Final answer
    x = 11,174.83

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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.