Home / 26,076.81-35,981.18-15,323.43

Finding the Fourth Proportional to 26,076.81, 35,981.18 and 15,323.43

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Solution

The fourth proportional to 26,076.81, 35,981.18 and 15,323.43 is: 21,143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,076.81 : 35,981.18 = 15,323.43 : x
  2. Step 2: Convert to fraction form
    26,076.81/35,981.18 = 15,323.43/x
  3. Step 3: Cross multiply
    26,076.81x = 35,981.18 × 15,323.43
  4. Step 4: Simplify right side
    26,076.81x = 551,355,295.02
  5. Step 5: Solve for x
    x = 551,355,295.02/26,076.81
  6. Step 6: Final answer
    x = 21,143.51

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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.