Home / 22,319.10-30,800.68-12,247.36

Finding the Fourth Proportional to 22,319.10, 30,800.68 and 12,247.36

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Solution

The fourth proportional to 22,319.10, 30,800.68 and 12,247.36 is: 16,901.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,319.10 : 30,800.68 = 12,247.36 : x
  2. Step 2: Convert to fraction form
    22,319.10/30,800.68 = 12,247.36/x
  3. Step 3: Cross multiply
    22,319.10x = 30,800.68 × 12,247.36
  4. Step 4: Simplify right side
    22,319.10x = 377,226,908.58
  5. Step 5: Solve for x
    x = 377,226,908.58/22,319.10
  6. Step 6: Final answer
    x = 16,901.53

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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.