Home / 25,703.27-35,490.62-19,725.47

Finding the Fourth Proportional to 25,703.27, 35,490.62 and 19,725.47

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Solution

The fourth proportional to 25,703.27, 35,490.62 and 19,725.47 is: 27,236.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,703.27 : 35,490.62 = 19,725.47 : x
  2. Step 2: Convert to fraction form
    25,703.27/35,490.62 = 19,725.47/x
  3. Step 3: Cross multiply
    25,703.27x = 35,490.62 × 19,725.47
  4. Step 4: Simplify right side
    25,703.27x = 700,069,160.09
  5. Step 5: Solve for x
    x = 700,069,160.09/25,703.27
  6. Step 6: Final answer
    x = 27,236.58

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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.