Home / 25,094.80-34,631.49-13,764.79

Finding the Fourth Proportional to 25,094.80, 34,631.49 and 13,764.79

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Solution

The fourth proportional to 25,094.80, 34,631.49 and 13,764.79 is: 18,995.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,094.80 : 34,631.49 = 13,764.79 : x
  2. Step 2: Convert to fraction form
    25,094.80/34,631.49 = 13,764.79/x
  3. Step 3: Cross multiply
    25,094.80x = 34,631.49 × 13,764.79
  4. Step 4: Simplify right side
    25,094.80x = 476,695,187.24
  5. Step 5: Solve for x
    x = 476,695,187.24/25,094.80
  6. Step 6: Final answer
    x = 18,995.78

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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.