Home / 14,930.62-20,605.11-8,558.28

Finding the Fourth Proportional to 14,930.62, 20,605.11 and 8,558.28

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Solution

The fourth proportional to 14,930.62, 20,605.11 and 8,558.28 is: 11,810.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,930.62 : 20,605.11 = 8,558.28 : x
  2. Step 2: Convert to fraction form
    14,930.62/20,605.11 = 8,558.28/x
  3. Step 3: Cross multiply
    14,930.62x = 20,605.11 × 8,558.28
  4. Step 4: Simplify right side
    14,930.62x = 176,344,256.45
  5. Step 5: Solve for x
    x = 176,344,256.45/14,930.62
  6. Step 6: Final answer
    x = 11,810.91

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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.