Home / 13,556.36-18,707.06-7,588.04

Finding the Fourth Proportional to 13,556.36, 18,707.06 and 7,588.04

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Solution

The fourth proportional to 13,556.36, 18,707.06 and 7,588.04 is: 10,471.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.36 : 18,707.06 = 7,588.04 : x
  2. Step 2: Convert to fraction form
    13,556.36/18,707.06 = 7,588.04/x
  3. Step 3: Cross multiply
    13,556.36x = 18,707.06 × 7,588.04
  4. Step 4: Simplify right side
    13,556.36x = 141,949,919.56
  5. Step 5: Solve for x
    x = 141,949,919.56/13,556.36
  6. Step 6: Final answer
    x = 10,471.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.