Home / 25,311.96-34,952.85-15,768.27

Finding the Fourth Proportional to 25,311.96, 34,952.85 and 15,768.27

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Solution

The fourth proportional to 25,311.96, 34,952.85 and 15,768.27 is: 21,774.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,311.96 : 34,952.85 = 15,768.27 : x
  2. Step 2: Convert to fraction form
    25,311.96/34,952.85 = 15,768.27/x
  3. Step 3: Cross multiply
    25,311.96x = 34,952.85 × 15,768.27
  4. Step 4: Simplify right side
    25,311.96x = 551,145,976.07
  5. Step 5: Solve for x
    x = 551,145,976.07/25,311.96
  6. Step 6: Final answer
    x = 21,774.13

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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.