Home / 14,033.84-21,050.76-6,640.41

Finding the Fourth Proportional to 14,033.84, 21,050.76 and 6,640.41

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Solution

The fourth proportional to 14,033.84, 21,050.76 and 6,640.41 is: 9,960.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,033.84 : 21,050.76 = 6,640.41 : x
  2. Step 2: Convert to fraction form
    14,033.84/21,050.76 = 6,640.41/x
  3. Step 3: Cross multiply
    14,033.84x = 21,050.76 × 6,640.41
  4. Step 4: Simplify right side
    14,033.84x = 139,785,677.21
  5. Step 5: Solve for x
    x = 139,785,677.21/14,033.84
  6. Step 6: Final answer
    x = 9,960.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.