Home / 19,127.66-26,393.82-11,164.10

Finding the Fourth Proportional to 19,127.66, 26,393.82 and 11,164.10

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Solution

The fourth proportional to 19,127.66, 26,393.82 and 11,164.10 is: 15,405.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127.66 : 26,393.82 = 11,164.10 : x
  2. Step 2: Convert to fraction form
    19,127.66/26,393.82 = 11,164.10/x
  3. Step 3: Cross multiply
    19,127.66x = 26,393.82 × 11,164.10
  4. Step 4: Simplify right side
    19,127.66x = 294,663,245.86
  5. Step 5: Solve for x
    x = 294,663,245.86/19,127.66
  6. Step 6: Final answer
    x = 15,405.09

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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.