Home / 14,790.17-22,193.78-8,215.80

Finding the Fourth Proportional to 14,790.17, 22,193.78 and 8,215.80

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Solution

The fourth proportional to 14,790.17, 22,193.78 and 8,215.80 is: 12,328.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,790.17 : 22,193.78 = 8,215.80 : x
  2. Step 2: Convert to fraction form
    14,790.17/22,193.78 = 8,215.80/x
  3. Step 3: Cross multiply
    14,790.17x = 22,193.78 × 8,215.80
  4. Step 4: Simplify right side
    14,790.17x = 182,339,657.72
  5. Step 5: Solve for x
    x = 182,339,657.72/14,790.17
  6. Step 6: Final answer
    x = 12,328.44

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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.