Home / 14,591.53-20,135.48-8,623.75

Finding the Fourth Proportional to 14,591.53, 20,135.48 and 8,623.75

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Solution

The fourth proportional to 14,591.53, 20,135.48 and 8,623.75 is: 11,900.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,591.53 : 20,135.48 = 8,623.75 : x
  2. Step 2: Convert to fraction form
    14,591.53/20,135.48 = 8,623.75/x
  3. Step 3: Cross multiply
    14,591.53x = 20,135.48 × 8,623.75
  4. Step 4: Simplify right side
    14,591.53x = 173,643,345.65
  5. Step 5: Solve for x
    x = 173,643,345.65/14,591.53
  6. Step 6: Final answer
    x = 11,900.29

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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.