Home / 20,924.44-28,876.25-11,493.01

Finding the Fourth Proportional to 20,924.44, 28,876.25 and 11,493.01

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Solution

The fourth proportional to 20,924.44, 28,876.25 and 11,493.01 is: 15,860.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,924.44 : 28,876.25 = 11,493.01 : x
  2. Step 2: Convert to fraction form
    20,924.44/28,876.25 = 11,493.01/x
  3. Step 3: Cross multiply
    20,924.44x = 28,876.25 × 11,493.01
  4. Step 4: Simplify right side
    20,924.44x = 331,875,030.01
  5. Step 5: Solve for x
    x = 331,875,030.01/20,924.44
  6. Step 6: Final answer
    x = 15,860.64

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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.