Home / 13,311.06-19,972.26-4,995.06

Finding the Fourth Proportional to 13,311.06, 19,972.26 and 4,995.06

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Solution

The fourth proportional to 13,311.06, 19,972.26 and 4,995.06 is: 7,494.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311.06 : 19,972.26 = 4,995.06 : x
  2. Step 2: Convert to fraction form
    13,311.06/19,972.26 = 4,995.06/x
  3. Step 3: Cross multiply
    13,311.06x = 19,972.26 × 4,995.06
  4. Step 4: Simplify right side
    13,311.06x = 99,762,637.04
  5. Step 5: Solve for x
    x = 99,762,637.04/13,311.06
  6. Step 6: Final answer
    x = 7,494.72

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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.