Home / 19,851.63-29,749.90-8,741.67

Finding the Fourth Proportional to 19,851.63, 29,749.90 and 8,741.67

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Solution

The fourth proportional to 19,851.63, 29,749.90 and 8,741.67 is: 13,100.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,851.63 : 29,749.90 = 8,741.67 : x
  2. Step 2: Convert to fraction form
    19,851.63/29,749.90 = 8,741.67/x
  3. Step 3: Cross multiply
    19,851.63x = 29,749.90 × 8,741.67
  4. Step 4: Simplify right side
    19,851.63x = 260,063,808.33
  5. Step 5: Solve for x
    x = 260,063,808.33/19,851.63
  6. Step 6: Final answer
    x = 13,100.38

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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.