Home / 18,784.88-25,926.10-11,237.10

Finding the Fourth Proportional to 18,784.88, 25,926.10 and 11,237.10

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Solution

The fourth proportional to 18,784.88, 25,926.10 and 11,237.10 is: 15,508.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784.88 : 25,926.10 = 11,237.10 : x
  2. Step 2: Convert to fraction form
    18,784.88/25,926.10 = 11,237.10/x
  3. Step 3: Cross multiply
    18,784.88x = 25,926.10 × 11,237.10
  4. Step 4: Simplify right side
    18,784.88x = 291,334,178.31
  5. Step 5: Solve for x
    x = 291,334,178.31/18,784.88
  6. Step 6: Final answer
    x = 15,508.97

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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.