Home / 28,614.66-39,491.76-18,004.08

Finding the Fourth Proportional to 28,614.66, 39,491.76 and 18,004.08

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Solution

The fourth proportional to 28,614.66, 39,491.76 and 18,004.08 is: 24,847.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,614.66 : 39,491.76 = 18,004.08 : x
  2. Step 2: Convert to fraction form
    28,614.66/39,491.76 = 18,004.08/x
  3. Step 3: Cross multiply
    28,614.66x = 39,491.76 × 18,004.08
  4. Step 4: Simplify right side
    28,614.66x = 711,012,806.38
  5. Step 5: Solve for x
    x = 711,012,806.38/28,614.66
  6. Step 6: Final answer
    x = 24,847.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.