Home / 18,577.22-27,875.41-12,341.54

Finding the Fourth Proportional to 18,577.22, 27,875.41 and 12,341.54

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Solution

The fourth proportional to 18,577.22, 27,875.41 and 12,341.54 is: 18,518.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,577.22 : 27,875.41 = 12,341.54 : x
  2. Step 2: Convert to fraction form
    18,577.22/27,875.41 = 12,341.54/x
  3. Step 3: Cross multiply
    18,577.22x = 27,875.41 × 12,341.54
  4. Step 4: Simplify right side
    18,577.22x = 344,025,487.53
  5. Step 5: Solve for x
    x = 344,025,487.53/18,577.22
  6. Step 6: Final answer
    x = 18,518.67

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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.