Home / 16,423.35-22,664.21-8,869.68

Finding the Fourth Proportional to 16,423.35, 22,664.21 and 8,869.68

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Solution

The fourth proportional to 16,423.35, 22,664.21 and 8,869.68 is: 12,240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,423.35 : 22,664.21 = 8,869.68 : x
  2. Step 2: Convert to fraction form
    16,423.35/22,664.21 = 8,869.68/x
  3. Step 3: Cross multiply
    16,423.35x = 22,664.21 × 8,869.68
  4. Step 4: Simplify right side
    16,423.35x = 201,024,265.67
  5. Step 5: Solve for x
    x = 201,024,265.67/16,423.35
  6. Step 6: Final answer
    x = 12,240.15

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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.