Home / 19,502.48-26,920.42-11,544.78

Finding the Fourth Proportional to 19,502.48, 26,920.42 and 11,544.78

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Solution

The fourth proportional to 19,502.48, 26,920.42 and 11,544.78 is: 15,935.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,502.48 : 26,920.42 = 11,544.78 : x
  2. Step 2: Convert to fraction form
    19,502.48/26,920.42 = 11,544.78/x
  3. Step 3: Cross multiply
    19,502.48x = 26,920.42 × 11,544.78
  4. Step 4: Simplify right side
    19,502.48x = 310,790,326.41
  5. Step 5: Solve for x
    x = 310,790,326.41/19,502.48
  6. Step 6: Final answer
    x = 15,935.94

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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.