Home / 16,071.41-22,178.31-8,998.09

Finding the Fourth Proportional to 16,071.41, 22,178.31 and 8,998.09

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Solution

The fourth proportional to 16,071.41, 22,178.31 and 8,998.09 is: 12,417.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,071.41 : 22,178.31 = 8,998.09 : x
  2. Step 2: Convert to fraction form
    16,071.41/22,178.31 = 8,998.09/x
  3. Step 3: Cross multiply
    16,071.41x = 22,178.31 × 8,998.09
  4. Step 4: Simplify right side
    16,071.41x = 199,562,340.24
  5. Step 5: Solve for x
    x = 199,562,340.24/16,071.41
  6. Step 6: Final answer
    x = 12,417.22

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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.