Home / 13,564.36-20,363.82-11,525.32

Finding the Fourth Proportional to 13,564.36, 20,363.82 and 11,525.32

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Solution

The fourth proportional to 13,564.36, 20,363.82 and 11,525.32 is: 17,302.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564.36 : 20,363.82 = 11,525.32 : x
  2. Step 2: Convert to fraction form
    13,564.36/20,363.82 = 11,525.32/x
  3. Step 3: Cross multiply
    13,564.36x = 20,363.82 × 11,525.32
  4. Step 4: Simplify right side
    13,564.36x = 234,699,541.92
  5. Step 5: Solve for x
    x = 234,699,541.92/13,564.36
  6. Step 6: Final answer
    x = 17,302.66

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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.