Home / 14,591.49-20,131.58-8,625.17

Finding the Fourth Proportional to 14,591.49, 20,131.58 and 8,625.17

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Solution

The fourth proportional to 14,591.49, 20,131.58 and 8,625.17 is: 11,899.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,591.49 : 20,131.58 = 8,625.17 : x
  2. Step 2: Convert to fraction form
    14,591.49/20,131.58 = 8,625.17/x
  3. Step 3: Cross multiply
    14,591.49x = 20,131.58 × 8,625.17
  4. Step 4: Simplify right side
    14,591.49x = 173,638,156.08
  5. Step 5: Solve for x
    x = 173,638,156.08/14,591.49
  6. Step 6: Final answer
    x = 11,899.96

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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.