Home / 13,110.26-19,665.18-4,790.24

Finding the Fourth Proportional to 13,110.26, 19,665.18 and 4,790.24

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Solution

The fourth proportional to 13,110.26, 19,665.18 and 4,790.24 is: 7,185.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.26 : 19,665.18 = 4,790.24 : x
  2. Step 2: Convert to fraction form
    13,110.26/19,665.18 = 4,790.24/x
  3. Step 3: Cross multiply
    13,110.26x = 19,665.18 × 4,790.24
  4. Step 4: Simplify right side
    13,110.26x = 94,200,931.84
  5. Step 5: Solve for x
    x = 94,200,931.84/13,110.26
  6. Step 6: Final answer
    x = 7,185.28

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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.