Home / 13,343.36-20,012.76-4,908.04

Finding the Fourth Proportional to 13,343.36, 20,012.76 and 4,908.04

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Solution

The fourth proportional to 13,343.36, 20,012.76 and 4,908.04 is: 7,361.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,343.36 : 20,012.76 = 4,908.04 : x
  2. Step 2: Convert to fraction form
    13,343.36/20,012.76 = 4,908.04/x
  3. Step 3: Cross multiply
    13,343.36x = 20,012.76 × 4,908.04
  4. Step 4: Simplify right side
    13,343.36x = 98,223,426.59
  5. Step 5: Solve for x
    x = 98,223,426.59/13,343.36
  6. Step 6: Final answer
    x = 7,361.22

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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.