Home / 16,117.91-22,246.20-12,299.47

Finding the Fourth Proportional to 16,117.91, 22,246.20 and 12,299.47

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Solution

The fourth proportional to 16,117.91, 22,246.20 and 12,299.47 is: 16,975.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,117.91 : 22,246.20 = 12,299.47 : x
  2. Step 2: Convert to fraction form
    16,117.91/22,246.20 = 12,299.47/x
  3. Step 3: Cross multiply
    16,117.91x = 22,246.20 × 12,299.47
  4. Step 4: Simplify right side
    16,117.91x = 273,616,594.42
  5. Step 5: Solve for x
    x = 273,616,594.42/16,117.91
  6. Step 6: Final answer
    x = 16,975.93

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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.