Home / 13,447.22-18,554.32-8,141.01

Finding the Fourth Proportional to 13,447.22, 18,554.32 and 8,141.01

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Solution

The fourth proportional to 13,447.22, 18,554.32 and 8,141.01 is: 11,232.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,447.22 : 18,554.32 = 8,141.01 : x
  2. Step 2: Convert to fraction form
    13,447.22/18,554.32 = 8,141.01/x
  3. Step 3: Cross multiply
    13,447.22x = 18,554.32 × 8,141.01
  4. Step 4: Simplify right side
    13,447.22x = 151,050,799.47
  5. Step 5: Solve for x
    x = 151,050,799.47/13,447.22
  6. Step 6: Final answer
    x = 11,232.87

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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.