Home / 14,614.24-20,162.87-8,943.08

Finding the Fourth Proportional to 14,614.24, 20,162.87 and 8,943.08

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Solution

The fourth proportional to 14,614.24, 20,162.87 and 8,943.08 is: 12,338.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614.24 : 20,162.87 = 8,943.08 : x
  2. Step 2: Convert to fraction form
    14,614.24/20,162.87 = 8,943.08/x
  3. Step 3: Cross multiply
    14,614.24x = 20,162.87 × 8,943.08
  4. Step 4: Simplify right side
    14,614.24x = 180,318,013.91
  5. Step 5: Solve for x
    x = 180,318,013.91/14,614.24
  6. Step 6: Final answer
    x = 12,338.51

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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.