Home / 19,221.56-26,528.32-11,266.96

Finding the Fourth Proportional to 19,221.56, 26,528.32 and 11,266.96

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Solution

The fourth proportional to 19,221.56, 26,528.32 and 11,266.96 is: 15,549.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,221.56 : 26,528.32 = 11,266.96 : x
  2. Step 2: Convert to fraction form
    19,221.56/26,528.32 = 11,266.96/x
  3. Step 3: Cross multiply
    19,221.56x = 26,528.32 × 11,266.96
  4. Step 4: Simplify right side
    19,221.56x = 298,893,520.31
  5. Step 5: Solve for x
    x = 298,893,520.31/19,221.56
  6. Step 6: Final answer
    x = 15,549.91

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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.