Home / 14,677.92-20,252.36-8,711.57

Finding the Fourth Proportional to 14,677.92, 20,252.36 and 8,711.57

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Solution

The fourth proportional to 14,677.92, 20,252.36 and 8,711.57 is: 12,020.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,677.92 : 20,252.36 = 8,711.57 : x
  2. Step 2: Convert to fraction form
    14,677.92/20,252.36 = 8,711.57/x
  3. Step 3: Cross multiply
    14,677.92x = 20,252.36 × 8,711.57
  4. Step 4: Simplify right side
    14,677.92x = 176,429,924.22
  5. Step 5: Solve for x
    x = 176,429,924.22/14,677.92
  6. Step 6: Final answer
    x = 12,020.09

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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.