Home / 25,961.51-35,831.57-15,356.39

Finding the Fourth Proportional to 25,961.51, 35,831.57 and 15,356.39

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Solution

The fourth proportional to 25,961.51, 35,831.57 and 15,356.39 is: 21,194.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,961.51 : 35,831.57 = 15,356.39 : x
  2. Step 2: Convert to fraction form
    25,961.51/35,831.57 = 15,356.39/x
  3. Step 3: Cross multiply
    25,961.51x = 35,831.57 × 15,356.39
  4. Step 4: Simplify right side
    25,961.51x = 550,243,307.29
  5. Step 5: Solve for x
    x = 550,243,307.29/25,961.51
  6. Step 6: Final answer
    x = 21,194.58

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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.