Home / 25,418.30-35,076.80-14,087.36

Finding the Fourth Proportional to 25,418.30, 35,076.80 and 14,087.36

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Solution

The fourth proportional to 25,418.30, 35,076.80 and 14,087.36 is: 19,440.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,418.30 : 35,076.80 = 14,087.36 : x
  2. Step 2: Convert to fraction form
    25,418.30/35,076.80 = 14,087.36/x
  3. Step 3: Cross multiply
    25,418.30x = 35,076.80 × 14,087.36
  4. Step 4: Simplify right side
    25,418.30x = 494,139,509.25
  5. Step 5: Solve for x
    x = 494,139,509.25/25,418.30
  6. Step 6: Final answer
    x = 19,440.31

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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.