Home / 18,376.38-27,568.23-6,688.08

Finding the Fourth Proportional to 18,376.38, 27,568.23 and 6,688.08

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Solution

The fourth proportional to 18,376.38, 27,568.23 and 6,688.08 is: 10,033.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.38 : 27,568.23 = 6,688.08 : x
  2. Step 2: Convert to fraction form
    18,376.38/27,568.23 = 6,688.08/x
  3. Step 3: Cross multiply
    18,376.38x = 27,568.23 × 6,688.08
  4. Step 4: Simplify right side
    18,376.38x = 184,378,527.70
  5. Step 5: Solve for x
    x = 184,378,527.70/18,376.38
  6. Step 6: Final answer
    x = 10,033.45

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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.