Home / 13,718.24-20,588.88-10,999.52

Finding the Fourth Proportional to 13,718.24, 20,588.88 and 10,999.52

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Solution

The fourth proportional to 13,718.24, 20,588.88 and 10,999.52 is: 16,508.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,718.24 : 20,588.88 = 10,999.52 : x
  2. Step 2: Convert to fraction form
    13,718.24/20,588.88 = 10,999.52/x
  3. Step 3: Cross multiply
    13,718.24x = 20,588.88 × 10,999.52
  4. Step 4: Simplify right side
    13,718.24x = 226,467,797.34
  5. Step 5: Solve for x
    x = 226,467,797.34/13,718.24
  6. Step 6: Final answer
    x = 16,508.52

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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.