Home / 19,220.88-26,524.21-11,268.40

Finding the Fourth Proportional to 19,220.88, 26,524.21 and 11,268.40

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Solution

The fourth proportional to 19,220.88, 26,524.21 and 11,268.40 is: 15,550.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,220.88 : 26,524.21 = 11,268.40 : x
  2. Step 2: Convert to fraction form
    19,220.88/26,524.21 = 11,268.40/x
  3. Step 3: Cross multiply
    19,220.88x = 26,524.21 × 11,268.40
  4. Step 4: Simplify right side
    19,220.88x = 298,885,407.96
  5. Step 5: Solve for x
    x = 298,885,407.96/19,220.88
  6. Step 6: Final answer
    x = 15,550.04

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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.