Home / 14,811.95-20,440.62-8,097.45

Finding the Fourth Proportional to 14,811.95, 20,440.62 and 8,097.45

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Solution

The fourth proportional to 14,811.95, 20,440.62 and 8,097.45 is: 11,174.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,811.95 : 20,440.62 = 8,097.45 : x
  2. Step 2: Convert to fraction form
    14,811.95/20,440.62 = 8,097.45/x
  3. Step 3: Cross multiply
    14,811.95x = 20,440.62 × 8,097.45
  4. Step 4: Simplify right side
    14,811.95x = 165,516,898.42
  5. Step 5: Solve for x
    x = 165,516,898.42/14,811.95
  6. Step 6: Final answer
    x = 11,174.56

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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.