Home / 25,896.66-35,732.04-15,139.46

Finding the Fourth Proportional to 25,896.66, 35,732.04 and 15,139.46

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Solution

The fourth proportional to 25,896.66, 35,732.04 and 15,139.46 is: 20,889.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,896.66 : 35,732.04 = 15,139.46 : x
  2. Step 2: Convert to fraction form
    25,896.66/35,732.04 = 15,139.46/x
  3. Step 3: Cross multiply
    25,896.66x = 35,732.04 × 15,139.46
  4. Step 4: Simplify right side
    25,896.66x = 540,963,611.64
  5. Step 5: Solve for x
    x = 540,963,611.64/25,896.66
  6. Step 6: Final answer
    x = 20,889.32

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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.