Home / 19,945.67-27,526.09-11,447.71

Finding the Fourth Proportional to 19,945.67, 27,526.09 and 11,447.71

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Solution

The fourth proportional to 19,945.67, 27,526.09 and 11,447.71 is: 15,798.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,945.67 : 27,526.09 = 11,447.71 : x
  2. Step 2: Convert to fraction form
    19,945.67/27,526.09 = 11,447.71/x
  3. Step 3: Cross multiply
    19,945.67x = 27,526.09 × 11,447.71
  4. Step 4: Simplify right side
    19,945.67x = 315,110,641.25
  5. Step 5: Solve for x
    x = 315,110,641.25/19,945.67
  6. Step 6: Final answer
    x = 15,798.45

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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.