Home / 19,164.38-26,442.85-11,205.06

Finding the Fourth Proportional to 19,164.38, 26,442.85 and 11,205.06

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Solution

The fourth proportional to 19,164.38, 26,442.85 and 11,205.06 is: 15,460.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164.38 : 26,442.85 = 11,205.06 : x
  2. Step 2: Convert to fraction form
    19,164.38/26,442.85 = 11,205.06/x
  3. Step 3: Cross multiply
    19,164.38x = 26,442.85 × 11,205.06
  4. Step 4: Simplify right side
    19,164.38x = 296,293,720.82
  5. Step 5: Solve for x
    x = 296,293,720.82/19,164.38
  6. Step 6: Final answer
    x = 15,460.65

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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.