Home / 14,776.28-22,160.10-12,172.76

Finding the Fourth Proportional to 14,776.28, 22,160.10 and 12,172.76

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Solution

The fourth proportional to 14,776.28, 22,160.10 and 12,172.76 is: 18,255.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,776.28 : 22,160.10 = 12,172.76 : x
  2. Step 2: Convert to fraction form
    14,776.28/22,160.10 = 12,172.76/x
  3. Step 3: Cross multiply
    14,776.28x = 22,160.10 × 12,172.76
  4. Step 4: Simplify right side
    14,776.28x = 269,749,578.88
  5. Step 5: Solve for x
    x = 269,749,578.88/14,776.28
  6. Step 6: Final answer
    x = 18,255.58

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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.