Home / 13,389.72-20,083.56-5,068.98

Finding the Fourth Proportional to 13,389.72, 20,083.56 and 5,068.98

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Solution

The fourth proportional to 13,389.72, 20,083.56 and 5,068.98 is: 7,603.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,389.72 : 20,083.56 = 5,068.98 : x
  2. Step 2: Convert to fraction form
    13,389.72/20,083.56 = 5,068.98/x
  3. Step 3: Cross multiply
    13,389.72x = 20,083.56 × 5,068.98
  4. Step 4: Simplify right side
    13,389.72x = 101,803,163.97
  5. Step 5: Solve for x
    x = 101,803,163.97/13,389.72
  6. Step 6: Final answer
    x = 7,603.08

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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.