Home / 25,236.90-34,825.50-13,905.99

Finding the Fourth Proportional to 25,236.90, 34,825.50 and 13,905.99

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Solution

The fourth proportional to 25,236.90, 34,825.50 and 13,905.99 is: 19,189.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,236.90 : 34,825.50 = 13,905.99 : x
  2. Step 2: Convert to fraction form
    25,236.90/34,825.50 = 13,905.99/x
  3. Step 3: Cross multiply
    25,236.90x = 34,825.50 × 13,905.99
  4. Step 4: Simplify right side
    25,236.90x = 484,283,054.75
  5. Step 5: Solve for x
    x = 484,283,054.75/25,236.90
  6. Step 6: Final answer
    x = 19,189.48

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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.