Home / 16,311.79-22,509.51-9,238.26

Finding the Fourth Proportional to 16,311.79, 22,509.51 and 9,238.26

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Solution

The fourth proportional to 16,311.79, 22,509.51 and 9,238.26 is: 12,748.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,311.79 : 22,509.51 = 9,238.26 : x
  2. Step 2: Convert to fraction form
    16,311.79/22,509.51 = 9,238.26/x
  3. Step 3: Cross multiply
    16,311.79x = 22,509.51 × 9,238.26
  4. Step 4: Simplify right side
    16,311.79x = 207,948,705.85
  5. Step 5: Solve for x
    x = 207,948,705.85/16,311.79
  6. Step 6: Final answer
    x = 12,748.37

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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.