Home / 16,315.74-24,429.69-8,508.06

Finding the Fourth Proportional to 16,315.74, 24,429.69 and 8,508.06

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Solution

The fourth proportional to 16,315.74, 24,429.69 and 8,508.06 is: 12,739.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,315.74 : 24,429.69 = 8,508.06 : x
  2. Step 2: Convert to fraction form
    16,315.74/24,429.69 = 8,508.06/x
  3. Step 3: Cross multiply
    16,315.74x = 24,429.69 × 8,508.06
  4. Step 4: Simplify right side
    16,315.74x = 207,849,268.30
  5. Step 5: Solve for x
    x = 207,849,268.30/16,315.74
  6. Step 6: Final answer
    x = 12,739.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.