Home / 16,193.32-22,347.48-9,120.16

Finding the Fourth Proportional to 16,193.32, 22,347.48 and 9,120.16

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Solution

The fourth proportional to 16,193.32, 22,347.48 and 9,120.16 is: 12,586.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,193.32 : 22,347.48 = 9,120.16 : x
  2. Step 2: Convert to fraction form
    16,193.32/22,347.48 = 9,120.16/x
  3. Step 3: Cross multiply
    16,193.32x = 22,347.48 × 9,120.16
  4. Step 4: Simplify right side
    16,193.32x = 203,812,593.20
  5. Step 5: Solve for x
    x = 203,812,593.20/16,193.32
  6. Step 6: Final answer
    x = 12,586.21

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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.