Home / 19,003.08-26,215.47-11,043.78

Finding the Fourth Proportional to 19,003.08, 26,215.47 and 11,043.78

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Solution

The fourth proportional to 19,003.08, 26,215.47 and 11,043.78 is: 15,235.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,003.08 : 26,215.47 = 11,043.78 : x
  2. Step 2: Convert to fraction form
    19,003.08/26,215.47 = 11,043.78/x
  3. Step 3: Cross multiply
    19,003.08x = 26,215.47 × 11,043.78
  4. Step 4: Simplify right side
    19,003.08x = 289,517,883.28
  5. Step 5: Solve for x
    x = 289,517,883.28/19,003.08
  6. Step 6: Final answer
    x = 15,235.31

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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.