Home / 16,039.37-22,132.40-8,868.31

Finding the Fourth Proportional to 16,039.37, 22,132.40 and 8,868.31

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Solution

The fourth proportional to 16,039.37, 22,132.40 and 8,868.31 is: 12,237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,039.37 : 22,132.40 = 8,868.31 : x
  2. Step 2: Convert to fraction form
    16,039.37/22,132.40 = 8,868.31/x
  3. Step 3: Cross multiply
    16,039.37x = 22,132.40 × 8,868.31
  4. Step 4: Simplify right side
    16,039.37x = 196,276,984.24
  5. Step 5: Solve for x
    x = 196,276,984.24/16,039.37
  6. Step 6: Final answer
    x = 12,237.20

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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.