Home / 18,490.50-27,715.88-6,632.86

Finding the Fourth Proportional to 18,490.50, 27,715.88 and 6,632.86

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Solution

The fourth proportional to 18,490.50, 27,715.88 and 6,632.86 is: 9,942.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490.50 : 27,715.88 = 6,632.86 : x
  2. Step 2: Convert to fraction form
    18,490.50/27,715.88 = 6,632.86/x
  3. Step 3: Cross multiply
    18,490.50x = 27,715.88 × 6,632.86
  4. Step 4: Simplify right side
    18,490.50x = 183,835,551.82
  5. Step 5: Solve for x
    x = 183,835,551.82/18,490.50
  6. Step 6: Final answer
    x = 9,942.16

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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.