Home / 12,674.22-19,011.26-3,440.22

Finding the Fourth Proportional to 12,674.22, 19,011.26 and 3,440.22

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Solution

The fourth proportional to 12,674.22, 19,011.26 and 3,440.22 is: 5,160.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,674.22 : 19,011.26 = 3,440.22 : x
  2. Step 2: Convert to fraction form
    12,674.22/19,011.26 = 3,440.22/x
  3. Step 3: Cross multiply
    12,674.22x = 19,011.26 × 3,440.22
  4. Step 4: Simplify right side
    12,674.22x = 65,402,916.88
  5. Step 5: Solve for x
    x = 65,402,916.88/12,674.22
  6. Step 6: Final answer
    x = 5,160.31

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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.