Home / 25,708.50-35,476.29-18,643.86

Finding the Fourth Proportional to 25,708.50, 35,476.29 and 18,643.86

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Solution

The fourth proportional to 25,708.50, 35,476.29 and 18,643.86 is: 25,727.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,708.50 : 35,476.29 = 18,643.86 : x
  2. Step 2: Convert to fraction form
    25,708.50/35,476.29 = 18,643.86/x
  3. Step 3: Cross multiply
    25,708.50x = 35,476.29 × 18,643.86
  4. Step 4: Simplify right side
    25,708.50x = 661,414,984.08
  5. Step 5: Solve for x
    x = 661,414,984.08/25,708.50
  6. Step 6: Final answer
    x = 25,727.48

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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.