Home / 25,231.01-34,821.51-13,901.66

Finding the Fourth Proportional to 25,231.01, 34,821.51 and 13,901.66

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Solution

The fourth proportional to 25,231.01, 34,821.51 and 13,901.66 is: 19,185.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,231.01 : 34,821.51 = 13,901.66 : x
  2. Step 2: Convert to fraction form
    25,231.01/34,821.51 = 13,901.66/x
  3. Step 3: Cross multiply
    25,231.01x = 34,821.51 × 13,901.66
  4. Step 4: Simplify right side
    25,231.01x = 484,076,618.60
  5. Step 5: Solve for x
    x = 484,076,618.60/25,231.01
  6. Step 6: Final answer
    x = 19,185.78

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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.