Home / 13,104.75-19,639.60-4,776.93

Finding the Fourth Proportional to 13,104.75, 19,639.60 and 4,776.93

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Solution

The fourth proportional to 13,104.75, 19,639.60 and 4,776.93 is: 7,159.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104.75 : 19,639.60 = 4,776.93 : x
  2. Step 2: Convert to fraction form
    13,104.75/19,639.60 = 4,776.93/x
  3. Step 3: Cross multiply
    13,104.75x = 19,639.60 × 4,776.93
  4. Step 4: Simplify right side
    13,104.75x = 93,816,994.43
  5. Step 5: Solve for x
    x = 93,816,994.43/13,104.75
  6. Step 6: Final answer
    x = 7,159.01

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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.