Home / 14,003.76-19,325.07-7,716

Finding the Fourth Proportional to 14,003.76, 19,325.07 and 7,716

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Solution

The fourth proportional to 14,003.76, 19,325.07 and 7,716 is: 10,648.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.76 : 19,325.07 = 7,716 : x
  2. Step 2: Convert to fraction form
    14,003.76/19,325.07 = 7,716/x
  3. Step 3: Cross multiply
    14,003.76x = 19,325.07 × 7,716
  4. Step 4: Simplify right side
    14,003.76x = 149,112,240.12
  5. Step 5: Solve for x
    x = 149,112,240.12/14,003.76
  6. Step 6: Final answer
    x = 10,648.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.