Home / 25,914.04-38,883.34-13,431.72

Finding the Fourth Proportional to 25,914.04, 38,883.34 and 13,431.72

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Solution

The fourth proportional to 25,914.04, 38,883.34 and 13,431.72 is: 20,153.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,914.04 : 38,883.34 = 13,431.72 : x
  2. Step 2: Convert to fraction form
    25,914.04/38,883.34 = 13,431.72/x
  3. Step 3: Cross multiply
    25,914.04x = 38,883.34 × 13,431.72
  4. Step 4: Simplify right side
    25,914.04x = 522,270,135.54
  5. Step 5: Solve for x
    x = 522,270,135.54/25,914.04
  6. Step 6: Final answer
    x = 20,153.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.