Home / 16,117.62-22,240.70-8,946.99

Finding the Fourth Proportional to 16,117.62, 22,240.70 and 8,946.99

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Solution

The fourth proportional to 16,117.62, 22,240.70 and 8,946.99 is: 12,345.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,117.62 : 22,240.70 = 8,946.99 : x
  2. Step 2: Convert to fraction form
    16,117.62/22,240.70 = 8,946.99/x
  3. Step 3: Cross multiply
    16,117.62x = 22,240.70 × 8,946.99
  4. Step 4: Simplify right side
    16,117.62x = 198,987,320.49
  5. Step 5: Solve for x
    x = 198,987,320.49/16,117.62
  6. Step 6: Final answer
    x = 12,345.95

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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.