Home / 19,279.48-26,602.86-11,324.28

Finding the Fourth Proportional to 19,279.48, 26,602.86 and 11,324.28

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Solution

The fourth proportional to 19,279.48, 26,602.86 and 11,324.28 is: 15,625.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,279.48 : 26,602.86 = 11,324.28 : x
  2. Step 2: Convert to fraction form
    19,279.48/26,602.86 = 11,324.28/x
  3. Step 3: Cross multiply
    19,279.48x = 26,602.86 × 11,324.28
  4. Step 4: Simplify right side
    19,279.48x = 301,258,235.44
  5. Step 5: Solve for x
    x = 301,258,235.44/19,279.48
  6. Step 6: Final answer
    x = 15,625.85

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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.