Home / 19,161.15-26,442.89-10,663.84

Finding the Fourth Proportional to 19,161.15, 26,442.89 and 10,663.84

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Solution

The fourth proportional to 19,161.15, 26,442.89 and 10,663.84 is: 14,716.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161.15 : 26,442.89 = 10,663.84 : x
  2. Step 2: Convert to fraction form
    19,161.15/26,442.89 = 10,663.84/x
  3. Step 3: Cross multiply
    19,161.15x = 26,442.89 × 10,663.84
  4. Step 4: Simplify right side
    19,161.15x = 281,982,748.10
  5. Step 5: Solve for x
    x = 281,982,748.10/19,161.15
  6. Step 6: Final answer
    x = 14,716.38

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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.