Home / 19,178.14-26,467.62-11,219.86

Finding the Fourth Proportional to 19,178.14, 26,467.62 and 11,219.86

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Solution

The fourth proportional to 19,178.14, 26,467.62 and 11,219.86 is: 15,484.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178.14 : 26,467.62 = 11,219.86 : x
  2. Step 2: Convert to fraction form
    19,178.14/26,467.62 = 11,219.86/x
  3. Step 3: Cross multiply
    19,178.14x = 26,467.62 × 11,219.86
  4. Step 4: Simplify right side
    19,178.14x = 296,962,990.93
  5. Step 5: Solve for x
    x = 296,962,990.93/19,178.14
  6. Step 6: Final answer
    x = 15,484.45

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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.