Home / 13,556.92-18,708.36-7,588.59

Finding the Fourth Proportional to 13,556.92, 18,708.36 and 7,588.59

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Solution

The fourth proportional to 13,556.92, 18,708.36 and 7,588.59 is: 10,472.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.92 : 18,708.36 = 7,588.59 : x
  2. Step 2: Convert to fraction form
    13,556.92/18,708.36 = 7,588.59/x
  3. Step 3: Cross multiply
    13,556.92x = 18,708.36 × 7,588.59
  4. Step 4: Simplify right side
    13,556.92x = 141,970,073.61
  5. Step 5: Solve for x
    x = 141,970,073.61/13,556.92
  6. Step 6: Final answer
    x = 10,472.15

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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.