Home / 25,674.82-35,431.49-15,064.63

Finding the Fourth Proportional to 25,674.82, 35,431.49 and 15,064.63

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Solution

The fourth proportional to 25,674.82, 35,431.49 and 15,064.63 is: 20,789.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,674.82 : 35,431.49 = 15,064.63 : x
  2. Step 2: Convert to fraction form
    25,674.82/35,431.49 = 15,064.63/x
  3. Step 3: Cross multiply
    25,674.82x = 35,431.49 × 15,064.63
  4. Step 4: Simplify right side
    25,674.82x = 533,762,287.20
  5. Step 5: Solve for x
    x = 533,762,287.20/25,674.82
  6. Step 6: Final answer
    x = 20,789.33

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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.