Home / 25,734.82-35,509.44-15,126.58

Finding the Fourth Proportional to 25,734.82, 35,509.44 and 15,126.58

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Solution

The fourth proportional to 25,734.82, 35,509.44 and 15,126.58 is: 20,871.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,734.82 : 35,509.44 = 15,126.58 : x
  2. Step 2: Convert to fraction form
    25,734.82/35,509.44 = 15,126.58/x
  3. Step 3: Cross multiply
    25,734.82x = 35,509.44 × 15,126.58
  4. Step 4: Simplify right side
    25,734.82x = 537,136,384.92
  5. Step 5: Solve for x
    x = 537,136,384.92/25,734.82
  6. Step 6: Final answer
    x = 20,871.97

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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.