Home / 26,130.84-36,036-20,153.04

Finding the Fourth Proportional to 26,130.84, 36,036 and 20,153.04

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Solution

The fourth proportional to 26,130.84, 36,036 and 20,153.04 is: 27,792.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,130.84 : 36,036 = 20,153.04 : x
  2. Step 2: Convert to fraction form
    26,130.84/36,036 = 20,153.04/x
  3. Step 3: Cross multiply
    26,130.84x = 36,036 × 20,153.04
  4. Step 4: Simplify right side
    26,130.84x = 726,234,949.44
  5. Step 5: Solve for x
    x = 726,234,949.44/26,130.84
  6. Step 6: Final answer
    x = 27,792.25

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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.