Home / 15,847.50-21,849.66-10,172.25

Finding the Fourth Proportional to 15,847.50, 21,849.66 and 10,172.25

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Solution

The fourth proportional to 15,847.50, 21,849.66 and 10,172.25 is: 14,024.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,847.50 : 21,849.66 = 10,172.25 : x
  2. Step 2: Convert to fraction form
    15,847.50/21,849.66 = 10,172.25/x
  3. Step 3: Cross multiply
    15,847.50x = 21,849.66 × 10,172.25
  4. Step 4: Simplify right side
    15,847.50x = 222,260,203.94
  5. Step 5: Solve for x
    x = 222,260,203.94/15,847.50
  6. Step 6: Final answer
    x = 14,024.94

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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.