Home / 19,115.01-26,372.34-11,558.47

Finding the Fourth Proportional to 19,115.01, 26,372.34 and 11,558.47

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Solution

The fourth proportional to 19,115.01, 26,372.34 and 11,558.47 is: 15,946.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.01 : 26,372.34 = 11,558.47 : x
  2. Step 2: Convert to fraction form
    19,115.01/26,372.34 = 11,558.47/x
  3. Step 3: Cross multiply
    19,115.01x = 26,372.34 × 11,558.47
  4. Step 4: Simplify right side
    19,115.01x = 304,823,900.72
  5. Step 5: Solve for x
    x = 304,823,900.72/19,115.01
  6. Step 6: Final answer
    x = 15,946.83

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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.