Home / 13,852.36-20,786.76-5,536.30

Finding the Fourth Proportional to 13,852.36, 20,786.76 and 5,536.30

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Solution

The fourth proportional to 13,852.36, 20,786.76 and 5,536.30 is: 8,307.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,852.36 : 20,786.76 = 5,536.30 : x
  2. Step 2: Convert to fraction form
    13,852.36/20,786.76 = 5,536.30/x
  3. Step 3: Cross multiply
    13,852.36x = 20,786.76 × 5,536.30
  4. Step 4: Simplify right side
    13,852.36x = 115,081,739.39
  5. Step 5: Solve for x
    x = 115,081,739.39/13,852.36
  6. Step 6: Final answer
    x = 8,307.74

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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.