Home / 22,137.24-30,545.88-12,444.78

Finding the Fourth Proportional to 22,137.24, 30,545.88 and 12,444.78

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Solution

The fourth proportional to 22,137.24, 30,545.88 and 12,444.78 is: 17,171.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,137.24 : 30,545.88 = 12,444.78 : x
  2. Step 2: Convert to fraction form
    22,137.24/30,545.88 = 12,444.78/x
  3. Step 3: Cross multiply
    22,137.24x = 30,545.88 × 12,444.78
  4. Step 4: Simplify right side
    22,137.24x = 380,136,756.51
  5. Step 5: Solve for x
    x = 380,136,756.51/22,137.24
  6. Step 6: Final answer
    x = 17,171.82

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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.