Home / 16,435.31-22,651.85-13,089.20

Finding the Fourth Proportional to 16,435.31, 22,651.85 and 13,089.20

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Solution

The fourth proportional to 16,435.31, 22,651.85 and 13,089.20 is: 18,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,435.31 : 22,651.85 = 13,089.20 : x
  2. Step 2: Convert to fraction form
    16,435.31/22,651.85 = 13,089.20/x
  3. Step 3: Cross multiply
    16,435.31x = 22,651.85 × 13,089.20
  4. Step 4: Simplify right side
    16,435.31x = 296,494,514.48
  5. Step 5: Solve for x
    x = 296,494,514.48/16,435.31
  6. Step 6: Final answer
    x = 18,040.10

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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.