Home / 15,946.50-22,008.96-12,163.80

Finding the Fourth Proportional to 15,946.50, 22,008.96 and 12,163.80

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Solution

The fourth proportional to 15,946.50, 22,008.96 and 12,163.80 is: 16,788.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,946.50 : 22,008.96 = 12,163.80 : x
  2. Step 2: Convert to fraction form
    15,946.50/22,008.96 = 12,163.80/x
  3. Step 3: Cross multiply
    15,946.50x = 22,008.96 × 12,163.80
  4. Step 4: Simplify right side
    15,946.50x = 267,712,587.65
  5. Step 5: Solve for x
    x = 267,712,587.65/15,946.50
  6. Step 6: Final answer
    x = 16,788.17

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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.