Home / 25,270.72-34,873.65-13,940.96

Finding the Fourth Proportional to 25,270.72, 34,873.65 and 13,940.96

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Solution

The fourth proportional to 25,270.72, 34,873.65 and 13,940.96 is: 19,238.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,270.72 : 34,873.65 = 13,940.96 : x
  2. Step 2: Convert to fraction form
    25,270.72/34,873.65 = 13,940.96/x
  3. Step 3: Cross multiply
    25,270.72x = 34,873.65 × 13,940.96
  4. Step 4: Simplify right side
    25,270.72x = 486,172,090.00
  5. Step 5: Solve for x
    x = 486,172,090.00/25,270.72
  6. Step 6: Final answer
    x = 19,238.56

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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.