Home / 13,031.91-19,550.90-4,266.29

Finding the Fourth Proportional to 13,031.91, 19,550.90 and 4,266.29

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Solution

The fourth proportional to 13,031.91, 19,550.90 and 4,266.29 is: 6,400.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.91 : 19,550.90 = 4,266.29 : x
  2. Step 2: Convert to fraction form
    13,031.91/19,550.90 = 4,266.29/x
  3. Step 3: Cross multiply
    13,031.91x = 19,550.90 × 4,266.29
  4. Step 4: Simplify right side
    13,031.91x = 83,409,868.70
  5. Step 5: Solve for x
    x = 83,409,868.70/13,031.91
  6. Step 6: Final answer
    x = 6,400.43

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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.