Home / 19,161.33-26,442.21-10,663.12

Finding the Fourth Proportional to 19,161.33, 26,442.21 and 10,663.12

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Solution

The fourth proportional to 19,161.33, 26,442.21 and 10,663.12 is: 14,714.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161.33 : 26,442.21 = 10,663.12 : x
  2. Step 2: Convert to fraction form
    19,161.33/26,442.21 = 10,663.12/x
  3. Step 3: Cross multiply
    19,161.33x = 26,442.21 × 10,663.12
  4. Step 4: Simplify right side
    19,161.33x = 281,956,458.30
  5. Step 5: Solve for x
    x = 281,956,458.30/19,161.33
  6. Step 6: Final answer
    x = 14,714.87

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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.