Home / 25,190.12-34,762.36-13,859.37

Finding the Fourth Proportional to 25,190.12, 34,762.36 and 13,859.37

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Solution

The fourth proportional to 25,190.12, 34,762.36 and 13,859.37 is: 19,125.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,190.12 : 34,762.36 = 13,859.37 : x
  2. Step 2: Convert to fraction form
    25,190.12/34,762.36 = 13,859.37/x
  3. Step 3: Cross multiply
    25,190.12x = 34,762.36 × 13,859.37
  4. Step 4: Simplify right side
    25,190.12x = 481,784,409.31
  5. Step 5: Solve for x
    x = 481,784,409.31/25,190.12
  6. Step 6: Final answer
    x = 19,125.93

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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.