Home / 22,186.87-30,616.65-12,113.30

Finding the Fourth Proportional to 22,186.87, 30,616.65 and 12,113.30

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Solution

The fourth proportional to 22,186.87, 30,616.65 and 12,113.30 is: 16,715.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,186.87 : 30,616.65 = 12,113.30 : x
  2. Step 2: Convert to fraction form
    22,186.87/30,616.65 = 12,113.30/x
  3. Step 3: Cross multiply
    22,186.87x = 30,616.65 × 12,113.30
  4. Step 4: Simplify right side
    22,186.87x = 370,868,666.45
  5. Step 5: Solve for x
    x = 370,868,666.45/22,186.87
  6. Step 6: Final answer
    x = 16,715.68

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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.