Home / 25,703.69-35,456.30-15,091.27

Finding the Fourth Proportional to 25,703.69, 35,456.30 and 15,091.27

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Solution

The fourth proportional to 25,703.69, 35,456.30 and 15,091.27 is: 20,817.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,703.69 : 35,456.30 = 15,091.27 : x
  2. Step 2: Convert to fraction form
    25,703.69/35,456.30 = 15,091.27/x
  3. Step 3: Cross multiply
    25,703.69x = 35,456.30 × 15,091.27
  4. Step 4: Simplify right side
    25,703.69x = 535,080,489.00
  5. Step 5: Solve for x
    x = 535,080,489.00/25,703.69
  6. Step 6: Final answer
    x = 20,817.27

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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.