Home / 19,086.62-26,339.06-11,128.32

Finding the Fourth Proportional to 19,086.62, 26,339.06 and 11,128.32

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Solution

The fourth proportional to 19,086.62, 26,339.06 and 11,128.32 is: 15,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,086.62 : 26,339.06 = 11,128.32 : x
  2. Step 2: Convert to fraction form
    19,086.62/26,339.06 = 11,128.32/x
  3. Step 3: Cross multiply
    19,086.62x = 26,339.06 × 11,128.32
  4. Step 4: Simplify right side
    19,086.62x = 293,109,488.18
  5. Step 5: Solve for x
    x = 293,109,488.18/19,086.62
  6. Step 6: Final answer
    x = 15,356.80

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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.