Home / 25,093.31-34,628.25-15,530.66

Finding the Fourth Proportional to 25,093.31, 34,628.25 and 15,530.66

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Solution

The fourth proportional to 25,093.31, 34,628.25 and 15,530.66 is: 21,431.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,093.31 : 34,628.25 = 15,530.66 : x
  2. Step 2: Convert to fraction form
    25,093.31/34,628.25 = 15,530.66/x
  3. Step 3: Cross multiply
    25,093.31x = 34,628.25 × 15,530.66
  4. Step 4: Simplify right side
    25,093.31x = 537,799,577.15
  5. Step 5: Solve for x
    x = 537,799,577.15/25,093.31
  6. Step 6: Final answer
    x = 21,431.99

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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.