Home / 13,493.06-20,238.86-4,133.09

Finding the Fourth Proportional to 13,493.06, 20,238.86 and 4,133.09

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Solution

The fourth proportional to 13,493.06, 20,238.86 and 4,133.09 is: 6,199.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493.06 : 20,238.86 = 4,133.09 : x
  2. Step 2: Convert to fraction form
    13,493.06/20,238.86 = 4,133.09/x
  3. Step 3: Cross multiply
    13,493.06x = 20,238.86 × 4,133.09
  4. Step 4: Simplify right side
    13,493.06x = 83,648,908.02
  5. Step 5: Solve for x
    x = 83,648,908.02/13,493.06
  6. Step 6: Final answer
    x = 6,199.40

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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.