Home / 16,881.18-25,288.95-8,122.23

Finding the Fourth Proportional to 16,881.18, 25,288.95 and 8,122.23

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Solution

The fourth proportional to 16,881.18, 25,288.95 and 8,122.23 is: 12,167.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,881.18 : 25,288.95 = 8,122.23 : x
  2. Step 2: Convert to fraction form
    16,881.18/25,288.95 = 8,122.23/x
  3. Step 3: Cross multiply
    16,881.18x = 25,288.95 × 8,122.23
  4. Step 4: Simplify right side
    16,881.18x = 205,402,668.36
  5. Step 5: Solve for x
    x = 205,402,668.36/16,881.18
  6. Step 6: Final answer
    x = 12,167.55

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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.