Home / 18,963.23-28,437.39-5,632.65

Finding the Fourth Proportional to 18,963.23, 28,437.39 and 5,632.65

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Solution

The fourth proportional to 18,963.23, 28,437.39 and 5,632.65 is: 8,446.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,963.23 : 28,437.39 = 5,632.65 : x
  2. Step 2: Convert to fraction form
    18,963.23/28,437.39 = 5,632.65/x
  3. Step 3: Cross multiply
    18,963.23x = 28,437.39 × 5,632.65
  4. Step 4: Simplify right side
    18,963.23x = 160,177,864.78
  5. Step 5: Solve for x
    x = 160,177,864.78/18,963.23
  6. Step 6: Final answer
    x = 8,446.76

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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.