Home / 25,574.88-35,296.56-15,504.96

Finding the Fourth Proportional to 25,574.88, 35,296.56 and 15,504.96

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Solution

The fourth proportional to 25,574.88, 35,296.56 and 15,504.96 is: 21,398.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,574.88 : 35,296.56 = 15,504.96 : x
  2. Step 2: Convert to fraction form
    25,574.88/35,296.56 = 15,504.96/x
  3. Step 3: Cross multiply
    25,574.88x = 35,296.56 × 15,504.96
  4. Step 4: Simplify right side
    25,574.88x = 547,271,750.94
  5. Step 5: Solve for x
    x = 547,271,750.94/25,574.88
  6. Step 6: Final answer
    x = 21,398.80

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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.