Home / 19,161.29-26,442.56-10,777.79

Finding the Fourth Proportional to 19,161.29, 26,442.56 and 10,777.79

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Solution

The fourth proportional to 19,161.29, 26,442.56 and 10,777.79 is: 14,873.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161.29 : 26,442.56 = 10,777.79 : x
  2. Step 2: Convert to fraction form
    19,161.29/26,442.56 = 10,777.79/x
  3. Step 3: Cross multiply
    19,161.29x = 26,442.56 × 10,777.79
  4. Step 4: Simplify right side
    19,161.29x = 284,992,451.79
  5. Step 5: Solve for x
    x = 284,992,451.79/19,161.29
  6. Step 6: Final answer
    x = 14,873.34

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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.