Home / 19,228.39-26,535.81-11,161.42

Finding the Fourth Proportional to 19,228.39, 26,535.81 and 11,161.42

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Solution

The fourth proportional to 19,228.39, 26,535.81 and 11,161.42 is: 15,403.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,228.39 : 26,535.81 = 11,161.42 : x
  2. Step 2: Convert to fraction form
    19,228.39/26,535.81 = 11,161.42/x
  3. Step 3: Cross multiply
    19,228.39x = 26,535.81 × 11,161.42
  4. Step 4: Simplify right side
    19,228.39x = 296,177,320.45
  5. Step 5: Solve for x
    x = 296,177,320.45/19,228.39
  6. Step 6: Final answer
    x = 15,403.13

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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.