Home / 16,558.29-22,855.37-9,489.42

Finding the Fourth Proportional to 16,558.29, 22,855.37 and 9,489.42

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Solution

The fourth proportional to 16,558.29, 22,855.37 and 9,489.42 is: 13,098.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,558.29 : 22,855.37 = 9,489.42 : x
  2. Step 2: Convert to fraction form
    16,558.29/22,855.37 = 9,489.42/x
  3. Step 3: Cross multiply
    16,558.29x = 22,855.37 × 9,489.42
  4. Step 4: Simplify right side
    16,558.29x = 216,884,157.74
  5. Step 5: Solve for x
    x = 216,884,157.74/16,558.29
  6. Step 6: Final answer
    x = 13,098.22

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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.