Home / 14,013.36-21,020.36-5,243.49

Finding the Fourth Proportional to 14,013.36, 21,020.36 and 5,243.49

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Solution

The fourth proportional to 14,013.36, 21,020.36 and 5,243.49 is: 7,865.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.36 : 21,020.36 = 5,243.49 : x
  2. Step 2: Convert to fraction form
    14,013.36/21,020.36 = 5,243.49/x
  3. Step 3: Cross multiply
    14,013.36x = 21,020.36 × 5,243.49
  4. Step 4: Simplify right side
    14,013.36x = 110,220,021.24
  5. Step 5: Solve for x
    x = 110,220,021.24/14,013.36
  6. Step 6: Final answer
    x = 7,865.35

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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.