Home / 15,749.44-21,737.06-9,035.04

Finding the Fourth Proportional to 15,749.44, 21,737.06 and 9,035.04

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Solution

The fourth proportional to 15,749.44, 21,737.06 and 9,035.04 is: 12,469.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,749.44 : 21,737.06 = 9,035.04 : x
  2. Step 2: Convert to fraction form
    15,749.44/21,737.06 = 9,035.04/x
  3. Step 3: Cross multiply
    15,749.44x = 21,737.06 × 9,035.04
  4. Step 4: Simplify right side
    15,749.44x = 196,395,276.80
  5. Step 5: Solve for x
    x = 196,395,276.80/15,749.44
  6. Step 6: Final answer
    x = 12,469.99

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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.