Home / 12,991.22-19,484.01-4,107.26

Finding the Fourth Proportional to 12,991.22, 19,484.01 and 4,107.26

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Solution

The fourth proportional to 12,991.22, 19,484.01 and 4,107.26 is: 6,160.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,991.22 : 19,484.01 = 4,107.26 : x
  2. Step 2: Convert to fraction form
    12,991.22/19,484.01 = 4,107.26/x
  3. Step 3: Cross multiply
    12,991.22x = 19,484.01 × 4,107.26
  4. Step 4: Simplify right side
    12,991.22x = 80,025,894.91
  5. Step 5: Solve for x
    x = 80,025,894.91/12,991.22
  6. Step 6: Final answer
    x = 6,160.00

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1.5x scale

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.