Home / 18,822.12-25,973.64-10,438.44

Finding the Fourth Proportional to 18,822.12, 25,973.64 and 10,438.44

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Solution

The fourth proportional to 18,822.12, 25,973.64 and 10,438.44 is: 14,404.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822.12 : 25,973.64 = 10,438.44 : x
  2. Step 2: Convert to fraction form
    18,822.12/25,973.64 = 10,438.44/x
  3. Step 3: Cross multiply
    18,822.12x = 25,973.64 × 10,438.44
  4. Step 4: Simplify right side
    18,822.12x = 271,124,282.72
  5. Step 5: Solve for x
    x = 271,124,282.72/18,822.12
  6. Step 6: Final answer
    x = 14,404.56

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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.