Home / 14,625.17-20,182.67-7,910.81

Finding the Fourth Proportional to 14,625.17, 20,182.67 and 7,910.81

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Solution

The fourth proportional to 14,625.17, 20,182.67 and 7,910.81 is: 10,916.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,625.17 : 20,182.67 = 7,910.81 : x
  2. Step 2: Convert to fraction form
    14,625.17/20,182.67 = 7,910.81/x
  3. Step 3: Cross multiply
    14,625.17x = 20,182.67 × 7,910.81
  4. Step 4: Simplify right side
    14,625.17x = 159,661,337.90
  5. Step 5: Solve for x
    x = 159,661,337.90/14,625.17
  6. Step 6: Final answer
    x = 10,916.89

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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.