Home / 13,165.26-19,747.91-5,271.33

Finding the Fourth Proportional to 13,165.26, 19,747.91 and 5,271.33

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Solution

The fourth proportional to 13,165.26, 19,747.91 and 5,271.33 is: 7,907.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165.26 : 19,747.91 = 5,271.33 : x
  2. Step 2: Convert to fraction form
    13,165.26/19,747.91 = 5,271.33/x
  3. Step 3: Cross multiply
    13,165.26x = 19,747.91 × 5,271.33
  4. Step 4: Simplify right side
    13,165.26x = 104,097,724.06
  5. Step 5: Solve for x
    x = 104,097,724.06/13,165.26
  6. Step 6: Final answer
    x = 7,907.00

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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.