Home / 14,591.12-20,131.07-8,624.79

Finding the Fourth Proportional to 14,591.12, 20,131.07 and 8,624.79

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Solution

The fourth proportional to 14,591.12, 20,131.07 and 8,624.79 is: 11,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,591.12 : 20,131.07 = 8,624.79 : x
  2. Step 2: Convert to fraction form
    14,591.12/20,131.07 = 8,624.79/x
  3. Step 3: Cross multiply
    14,591.12x = 20,131.07 × 8,624.79
  4. Step 4: Simplify right side
    14,591.12x = 173,626,208.10
  5. Step 5: Solve for x
    x = 173,626,208.10/14,591.12
  6. Step 6: Final answer
    x = 11,899.45

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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.