Home / 25,565.22-35,270.64-15,486.39

Finding the Fourth Proportional to 25,565.22, 35,270.64 and 15,486.39

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Solution

The fourth proportional to 25,565.22, 35,270.64 and 15,486.39 is: 21,365.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,565.22 : 35,270.64 = 15,486.39 : x
  2. Step 2: Convert to fraction form
    25,565.22/35,270.64 = 15,486.39/x
  3. Step 3: Cross multiply
    25,565.22x = 35,270.64 × 15,486.39
  4. Step 4: Simplify right side
    25,565.22x = 546,214,886.59
  5. Step 5: Solve for x
    x = 546,214,886.59/25,565.22
  6. Step 6: Final answer
    x = 21,365.55

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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.