Home / 13,924.08-20,883.99-5,156.84

Finding the Fourth Proportional to 13,924.08, 20,883.99 and 5,156.84

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Solution

The fourth proportional to 13,924.08, 20,883.99 and 5,156.84 is: 7,734.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.08 : 20,883.99 = 5,156.84 : x
  2. Step 2: Convert to fraction form
    13,924.08/20,883.99 = 5,156.84/x
  3. Step 3: Cross multiply
    13,924.08x = 20,883.99 × 5,156.84
  4. Step 4: Simplify right side
    13,924.08x = 107,695,394.99
  5. Step 5: Solve for x
    x = 107,695,394.99/13,924.08
  6. Step 6: Final answer
    x = 7,734.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.