Home / 25,243.36-34,849.77-15,174.22

Finding the Fourth Proportional to 25,243.36, 34,849.77 and 15,174.22

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Solution

The fourth proportional to 25,243.36, 34,849.77 and 15,174.22 is: 20,948.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,243.36 : 34,849.77 = 15,174.22 : x
  2. Step 2: Convert to fraction form
    25,243.36/34,849.77 = 15,174.22/x
  3. Step 3: Cross multiply
    25,243.36x = 34,849.77 × 15,174.22
  4. Step 4: Simplify right side
    25,243.36x = 528,818,076.93
  5. Step 5: Solve for x
    x = 528,818,076.93/25,243.36
  6. Step 6: Final answer
    x = 20,948.80

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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.