Home / 14,682.72-22,019.76-8,107.68

Finding the Fourth Proportional to 14,682.72, 22,019.76 and 8,107.68

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Solution

The fourth proportional to 14,682.72, 22,019.76 and 8,107.68 is: 12,159.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,682.72 : 22,019.76 = 8,107.68 : x
  2. Step 2: Convert to fraction form
    14,682.72/22,019.76 = 8,107.68/x
  3. Step 3: Cross multiply
    14,682.72x = 22,019.76 × 8,107.68
  4. Step 4: Simplify right side
    14,682.72x = 178,529,167.76
  5. Step 5: Solve for x
    x = 178,529,167.76/14,682.72
  6. Step 6: Final answer
    x = 12,159.13

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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.