Home / 22,117.68-33,171.36-12,737.76

Finding the Fourth Proportional to 22,117.68, 33,171.36 and 12,737.76

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Solution

The fourth proportional to 22,117.68, 33,171.36 and 12,737.76 is: 19,103.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,117.68 : 33,171.36 = 12,737.76 : x
  2. Step 2: Convert to fraction form
    22,117.68/33,171.36 = 12,737.76/x
  3. Step 3: Cross multiply
    22,117.68x = 33,171.36 × 12,737.76
  4. Step 4: Simplify right side
    22,117.68x = 422,528,822.55
  5. Step 5: Solve for x
    x = 422,528,822.55/22,117.68
  6. Step 6: Final answer
    x = 19,103.67

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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.