Home / 16,115.63-22,239.96-9,042.58

Finding the Fourth Proportional to 16,115.63, 22,239.96 and 9,042.58

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Solution

The fourth proportional to 16,115.63, 22,239.96 and 9,042.58 is: 12,478.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,115.63 : 22,239.96 = 9,042.58 : x
  2. Step 2: Convert to fraction form
    16,115.63/22,239.96 = 9,042.58/x
  3. Step 3: Cross multiply
    16,115.63x = 22,239.96 × 9,042.58
  4. Step 4: Simplify right side
    16,115.63x = 201,106,561.90
  5. Step 5: Solve for x
    x = 201,106,561.90/16,115.63
  6. Step 6: Final answer
    x = 12,478.97

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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.