Home / 18,824.31-25,977.14-10,440.81

Finding the Fourth Proportional to 18,824.31, 25,977.14 and 10,440.81

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Solution

The fourth proportional to 18,824.31, 25,977.14 and 10,440.81 is: 14,408.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.31 : 25,977.14 = 10,440.81 : x
  2. Step 2: Convert to fraction form
    18,824.31/25,977.14 = 10,440.81/x
  3. Step 3: Cross multiply
    18,824.31x = 25,977.14 × 10,440.81
  4. Step 4: Simplify right side
    18,824.31x = 271,222,383.08
  5. Step 5: Solve for x
    x = 271,222,383.08/18,824.31
  6. Step 6: Final answer
    x = 14,408.09

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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.