Home / 25,185.08-34,757.30-15,113.96

Finding the Fourth Proportional to 25,185.08, 34,757.30 and 15,113.96

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Solution

The fourth proportional to 25,185.08, 34,757.30 and 15,113.96 is: 20,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,185.08 : 34,757.30 = 15,113.96 : x
  2. Step 2: Convert to fraction form
    25,185.08/34,757.30 = 15,113.96/x
  3. Step 3: Cross multiply
    25,185.08x = 34,757.30 × 15,113.96
  4. Step 4: Simplify right side
    25,185.08x = 525,320,441.91
  5. Step 5: Solve for x
    x = 525,320,441.91/25,185.08
  6. Step 6: Final answer
    x = 20,858.40

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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.