Home / 14,964.17-20,651.31-8,590.71

Finding the Fourth Proportional to 14,964.17, 20,651.31 and 8,590.71

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Solution

The fourth proportional to 14,964.17, 20,651.31 and 8,590.71 is: 11,855.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,964.17 : 20,651.31 = 8,590.71 : x
  2. Step 2: Convert to fraction form
    14,964.17/20,651.31 = 8,590.71/x
  3. Step 3: Cross multiply
    14,964.17x = 20,651.31 × 8,590.71
  4. Step 4: Simplify right side
    14,964.17x = 177,409,415.33
  5. Step 5: Solve for x
    x = 177,409,415.33/14,964.17
  6. Step 6: Final answer
    x = 11,855.62

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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.