Home / 19,686.84-29,535.96-6,361.87

Finding the Fourth Proportional to 19,686.84, 29,535.96 and 6,361.87

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Solution

The fourth proportional to 19,686.84, 29,535.96 and 6,361.87 is: 9,544.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686.84 : 29,535.96 = 6,361.87 : x
  2. Step 2: Convert to fraction form
    19,686.84/29,535.96 = 6,361.87/x
  3. Step 3: Cross multiply
    19,686.84x = 29,535.96 × 6,361.87
  4. Step 4: Simplify right side
    19,686.84x = 187,903,887.86
  5. Step 5: Solve for x
    x = 187,903,887.86/19,686.84
  6. Step 6: Final answer
    x = 9,544.64

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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.