Home / 25,474.23-35,156.34-15,403.05

Finding the Fourth Proportional to 25,474.23, 35,156.34 and 15,403.05

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Solution

The fourth proportional to 25,474.23, 35,156.34 and 15,403.05 is: 21,257.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,474.23 : 35,156.34 = 15,403.05 : x
  2. Step 2: Convert to fraction form
    25,474.23/35,156.34 = 15,403.05/x
  3. Step 3: Cross multiply
    25,474.23x = 35,156.34 × 15,403.05
  4. Step 4: Simplify right side
    25,474.23x = 541,514,862.84
  5. Step 5: Solve for x
    x = 541,514,862.84/25,474.23
  6. Step 6: Final answer
    x = 21,257.36

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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.