Home / 14,625.11-20,182.59-7,910.75

Finding the Fourth Proportional to 14,625.11, 20,182.59 and 7,910.75

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Solution

The fourth proportional to 14,625.11, 20,182.59 and 7,910.75 is: 10,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,625.11 : 20,182.59 = 7,910.75 : x
  2. Step 2: Convert to fraction form
    14,625.11/20,182.59 = 7,910.75/x
  3. Step 3: Cross multiply
    14,625.11x = 20,182.59 × 7,910.75
  4. Step 4: Simplify right side
    14,625.11x = 159,659,423.84
  5. Step 5: Solve for x
    x = 159,659,423.84/14,625.11
  6. Step 6: Final answer
    x = 10,916.80

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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.