Home / 14,048.46-21,072.68-4,187.49

Finding the Fourth Proportional to 14,048.46, 21,072.68 and 4,187.49

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Solution

The fourth proportional to 14,048.46, 21,072.68 and 4,187.49 is: 6,281.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.46 : 21,072.68 = 4,187.49 : x
  2. Step 2: Convert to fraction form
    14,048.46/21,072.68 = 4,187.49/x
  3. Step 3: Cross multiply
    14,048.46x = 21,072.68 × 4,187.49
  4. Step 4: Simplify right side
    14,048.46x = 88,241,531.41
  5. Step 5: Solve for x
    x = 88,241,531.41/14,048.46
  6. Step 6: Final answer
    x = 6,281.22

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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.