Home / 14,551.08-20,080.48-8,177.70

Finding the Fourth Proportional to 14,551.08, 20,080.48 and 8,177.70

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Solution

The fourth proportional to 14,551.08, 20,080.48 and 8,177.70 is: 11,285.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,551.08 : 20,080.48 = 8,177.70 : x
  2. Step 2: Convert to fraction form
    14,551.08/20,080.48 = 8,177.70/x
  3. Step 3: Cross multiply
    14,551.08x = 20,080.48 × 8,177.70
  4. Step 4: Simplify right side
    14,551.08x = 164,212,141.30
  5. Step 5: Solve for x
    x = 164,212,141.30/14,551.08
  6. Step 6: Final answer
    x = 11,285.22

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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.