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Finding the Fourth Proportional to 22,108.74, 30,510.90 and 12,037.74

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Solution

The fourth proportional to 22,108.74, 30,510.90 and 12,037.74 is: 16,612.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,108.74 : 30,510.90 = 12,037.74 : x
  2. Step 2: Convert to fraction form
    22,108.74/30,510.90 = 12,037.74/x
  3. Step 3: Cross multiply
    22,108.74x = 30,510.90 × 12,037.74
  4. Step 4: Simplify right side
    22,108.74x = 367,282,281.37
  5. Step 5: Solve for x
    x = 367,282,281.37/22,108.74
  6. Step 6: Final answer
    x = 16,612.54

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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.