Home / 14,923.96-20,590.14-8,631.88

Finding the Fourth Proportional to 14,923.96, 20,590.14 and 8,631.88

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Solution

The fourth proportional to 14,923.96, 20,590.14 and 8,631.88 is: 11,909.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,923.96 : 20,590.14 = 8,631.88 : x
  2. Step 2: Convert to fraction form
    14,923.96/20,590.14 = 8,631.88/x
  3. Step 3: Cross multiply
    14,923.96x = 20,590.14 × 8,631.88
  4. Step 4: Simplify right side
    14,923.96x = 177,731,617.66
  5. Step 5: Solve for x
    x = 177,731,617.66/14,923.96
  6. Step 6: Final answer
    x = 11,909.15

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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.