Home / 14,947.86-20,628.58-8,234

Finding the Fourth Proportional to 14,947.86, 20,628.58 and 8,234

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Solution

The fourth proportional to 14,947.86, 20,628.58 and 8,234 is: 11,363.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947.86 : 20,628.58 = 8,234 : x
  2. Step 2: Convert to fraction form
    14,947.86/20,628.58 = 8,234/x
  3. Step 3: Cross multiply
    14,947.86x = 20,628.58 × 8,234
  4. Step 4: Simplify right side
    14,947.86x = 169,855,727.72
  5. Step 5: Solve for x
    x = 169,855,727.72/14,947.86
  6. Step 6: Final answer
    x = 11,363.21

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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.