Home / 13,125.05-19,695.76-5,333.86

Finding the Fourth Proportional to 13,125.05, 19,695.76 and 5,333.86

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Solution

The fourth proportional to 13,125.05, 19,695.76 and 5,333.86 is: 8,004.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.05 : 19,695.76 = 5,333.86 : x
  2. Step 2: Convert to fraction form
    13,125.05/19,695.76 = 5,333.86/x
  3. Step 3: Cross multiply
    13,125.05x = 19,695.76 × 5,333.86
  4. Step 4: Simplify right side
    13,125.05x = 105,054,327.95
  5. Step 5: Solve for x
    x = 105,054,327.95/13,125.05
  6. Step 6: Final answer
    x = 8,004.11

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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.