Home / 14,465.18-19,961.94-8,177.56

Finding the Fourth Proportional to 14,465.18, 19,961.94 and 8,177.56

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Solution

The fourth proportional to 14,465.18, 19,961.94 and 8,177.56 is: 11,285.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,465.18 : 19,961.94 = 8,177.56 : x
  2. Step 2: Convert to fraction form
    14,465.18/19,961.94 = 8,177.56/x
  3. Step 3: Cross multiply
    14,465.18x = 19,961.94 × 8,177.56
  4. Step 4: Simplify right side
    14,465.18x = 163,239,942.83
  5. Step 5: Solve for x
    x = 163,239,942.83/14,465.18
  6. Step 6: Final answer
    x = 11,285.02

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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.