Home / 25,190.08-34,762.31-13,859.34

Finding the Fourth Proportional to 25,190.08, 34,762.31 and 13,859.34

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Solution

The fourth proportional to 25,190.08, 34,762.31 and 13,859.34 is: 19,125.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,190.08 : 34,762.31 = 13,859.34 : x
  2. Step 2: Convert to fraction form
    25,190.08/34,762.31 = 13,859.34/x
  3. Step 3: Cross multiply
    25,190.08x = 34,762.31 × 13,859.34
  4. Step 4: Simplify right side
    25,190.08x = 481,782,673.48
  5. Step 5: Solve for x
    x = 481,782,673.48/25,190.08
  6. Step 6: Final answer
    x = 19,125.89

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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.