Home / 14,591.02-20,138.16-8,622.22

Finding the Fourth Proportional to 14,591.02, 20,138.16 and 8,622.22

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Solution

The fourth proportional to 14,591.02, 20,138.16 and 8,622.22 is: 11,900.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,591.02 : 20,138.16 = 8,622.22 : x
  2. Step 2: Convert to fraction form
    14,591.02/20,138.16 = 8,622.22/x
  3. Step 3: Cross multiply
    14,591.02x = 20,138.16 × 8,622.22
  4. Step 4: Simplify right side
    14,591.02x = 173,635,645.92
  5. Step 5: Solve for x
    x = 173,635,645.92/14,591.02
  6. Step 6: Final answer
    x = 11,900.17

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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.