Home / 19,146.24-26,421.39-11,190.42

Finding the Fourth Proportional to 19,146.24, 26,421.39 and 11,190.42

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Solution

The fourth proportional to 19,146.24, 26,421.39 and 11,190.42 is: 15,442.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146.24 : 26,421.39 = 11,190.42 : x
  2. Step 2: Convert to fraction form
    19,146.24/26,421.39 = 11,190.42/x
  3. Step 3: Cross multiply
    19,146.24x = 26,421.39 × 11,190.42
  4. Step 4: Simplify right side
    19,146.24x = 295,666,451.08
  5. Step 5: Solve for x
    x = 295,666,451.08/19,146.24
  6. Step 6: Final answer
    x = 15,442.53

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Double scale
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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.