Home / 25,439.94-35,124.44-15,883.56

Finding the Fourth Proportional to 25,439.94, 35,124.44 and 15,883.56

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Solution

The fourth proportional to 25,439.94, 35,124.44 and 15,883.56 is: 21,930.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,439.94 : 35,124.44 = 15,883.56 : x
  2. Step 2: Convert to fraction form
    25,439.94/35,124.44 = 15,883.56/x
  3. Step 3: Cross multiply
    25,439.94x = 35,124.44 × 15,883.56
  4. Step 4: Simplify right side
    25,439.94x = 557,901,070.79
  5. Step 5: Solve for x
    x = 557,901,070.79/25,439.94
  6. Step 6: Final answer
    x = 21,930.13

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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.