Home / 18,177.12-27,276.24-7,646.38

Finding the Fourth Proportional to 18,177.12, 27,276.24 and 7,646.38

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Solution

The fourth proportional to 18,177.12, 27,276.24 and 7,646.38 is: 11,474.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,177.12 : 27,276.24 = 7,646.38 : x
  2. Step 2: Convert to fraction form
    18,177.12/27,276.24 = 7,646.38/x
  3. Step 3: Cross multiply
    18,177.12x = 27,276.24 × 7,646.38
  4. Step 4: Simplify right side
    18,177.12x = 208,564,496.01
  5. Step 5: Solve for x
    x = 208,564,496.01/18,177.12
  6. Step 6: Final answer
    x = 11,474.01

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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.