Home / 16,311.52-22,510.43-9,237.79

Finding the Fourth Proportional to 16,311.52, 22,510.43 and 9,237.79

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Solution

The fourth proportional to 16,311.52, 22,510.43 and 9,237.79 is: 12,748.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,311.52 : 22,510.43 = 9,237.79 : x
  2. Step 2: Convert to fraction form
    16,311.52/22,510.43 = 9,237.79/x
  3. Step 3: Cross multiply
    16,311.52x = 22,510.43 × 9,237.79
  4. Step 4: Simplify right side
    16,311.52x = 207,946,625.15
  5. Step 5: Solve for x
    x = 207,946,625.15/16,311.52
  6. Step 6: Final answer
    x = 12,748.45

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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.