Home / 16,232.72-22,401.20-9,159.04

Finding the Fourth Proportional to 16,232.72, 22,401.20 and 9,159.04

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Solution

The fourth proportional to 16,232.72, 22,401.20 and 9,159.04 is: 12,639.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,232.72 : 22,401.20 = 9,159.04 : x
  2. Step 2: Convert to fraction form
    16,232.72/22,401.20 = 9,159.04/x
  3. Step 3: Cross multiply
    16,232.72x = 22,401.20 × 9,159.04
  4. Step 4: Simplify right side
    16,232.72x = 205,173,486.85
  5. Step 5: Solve for x
    x = 205,173,486.85/16,232.72
  6. Step 6: Final answer
    x = 12,639.50

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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.