Home / 18,125.76-27,177.46-6,276.77

Finding the Fourth Proportional to 18,125.76, 27,177.46 and 6,276.77

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Solution

The fourth proportional to 18,125.76, 27,177.46 and 6,276.77 is: 9,411.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125.76 : 27,177.46 = 6,276.77 : x
  2. Step 2: Convert to fraction form
    18,125.76/27,177.46 = 6,276.77/x
  3. Step 3: Cross multiply
    18,125.76x = 27,177.46 × 6,276.77
  4. Step 4: Simplify right side
    18,125.76x = 170,586,665.60
  5. Step 5: Solve for x
    x = 170,586,665.60/18,125.76
  6. Step 6: Final answer
    x = 9,411.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.