Home / 22,354.12-30,851.36-13,406.54

Finding the Fourth Proportional to 22,354.12, 30,851.36 and 13,406.54

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Solution

The fourth proportional to 22,354.12, 30,851.36 and 13,406.54 is: 18,502.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,354.12 : 30,851.36 = 13,406.54 : x
  2. Step 2: Convert to fraction form
    22,354.12/30,851.36 = 13,406.54/x
  3. Step 3: Cross multiply
    22,354.12x = 30,851.36 × 13,406.54
  4. Step 4: Simplify right side
    22,354.12x = 413,610,032.12
  5. Step 5: Solve for x
    x = 413,610,032.12/22,354.12
  6. Step 6: Final answer
    x = 18,502.63

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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.