Home / 25,831.17-35,579.12-19,851.39

Finding the Fourth Proportional to 25,831.17, 35,579.12 and 19,851.39

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Solution

The fourth proportional to 25,831.17, 35,579.12 and 19,851.39 is: 27,342.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,831.17 : 35,579.12 = 19,851.39 : x
  2. Step 2: Convert to fraction form
    25,831.17/35,579.12 = 19,851.39/x
  3. Step 3: Cross multiply
    25,831.17x = 35,579.12 × 19,851.39
  4. Step 4: Simplify right side
    25,831.17x = 706,294,887.72
  5. Step 5: Solve for x
    x = 706,294,887.72/25,831.17
  6. Step 6: Final answer
    x = 27,342.74

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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.