Home / 19,081.44-26,335.68-11,128.32

Finding the Fourth Proportional to 19,081.44, 26,335.68 and 11,128.32

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Solution

The fourth proportional to 19,081.44, 26,335.68 and 11,128.32 is: 15,359.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,081.44 : 26,335.68 = 11,128.32 : x
  2. Step 2: Convert to fraction form
    19,081.44/26,335.68 = 11,128.32/x
  3. Step 3: Cross multiply
    19,081.44x = 26,335.68 × 11,128.32
  4. Step 4: Simplify right side
    19,081.44x = 293,071,874.46
  5. Step 5: Solve for x
    x = 293,071,874.46/19,081.44
  6. Step 6: Final answer
    x = 15,359.00

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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.