Home / 15,508.50-21,401.73-8,794.26

Finding the Fourth Proportional to 15,508.50, 21,401.73 and 8,794.26

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Solution

The fourth proportional to 15,508.50, 21,401.73 and 8,794.26 is: 12,136.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,508.50 : 21,401.73 = 8,794.26 : x
  2. Step 2: Convert to fraction form
    15,508.50/21,401.73 = 8,794.26/x
  3. Step 3: Cross multiply
    15,508.50x = 21,401.73 × 8,794.26
  4. Step 4: Simplify right side
    15,508.50x = 188,212,378.07
  5. Step 5: Solve for x
    x = 188,212,378.07/15,508.50
  6. Step 6: Final answer
    x = 12,136.08

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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.