Home / 14,072.36-21,105.66-5,302.44

Finding the Fourth Proportional to 14,072.36, 21,105.66 and 5,302.44

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Solution

The fourth proportional to 14,072.36, 21,105.66 and 5,302.44 is: 7,952.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.36 : 21,105.66 = 5,302.44 : x
  2. Step 2: Convert to fraction form
    14,072.36/21,105.66 = 5,302.44/x
  3. Step 3: Cross multiply
    14,072.36x = 21,105.66 × 5,302.44
  4. Step 4: Simplify right side
    14,072.36x = 111,911,495.81
  5. Step 5: Solve for x
    x = 111,911,495.81/14,072.36
  6. Step 6: Final answer
    x = 7,952.57

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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.