Home / 18,437.04-27,652.50-7,908.75

Finding the Fourth Proportional to 18,437.04, 27,652.50 and 7,908.75

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Solution

The fourth proportional to 18,437.04, 27,652.50 and 7,908.75 is: 11,861.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,437.04 : 27,652.50 = 7,908.75 : x
  2. Step 2: Convert to fraction form
    18,437.04/27,652.50 = 7,908.75/x
  3. Step 3: Cross multiply
    18,437.04x = 27,652.50 × 7,908.75
  4. Step 4: Simplify right side
    18,437.04x = 218,696,709.38
  5. Step 5: Solve for x
    x = 218,696,709.38/18,437.04
  6. Step 6: Final answer
    x = 11,861.81

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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.