Home / 13,038.84-19,561.50-3,804.84

Finding the Fourth Proportional to 13,038.84, 19,561.50 and 3,804.84

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Solution

The fourth proportional to 13,038.84, 19,561.50 and 3,804.84 is: 5,708.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,038.84 : 19,561.50 = 3,804.84 : x
  2. Step 2: Convert to fraction form
    13,038.84/19,561.50 = 3,804.84/x
  3. Step 3: Cross multiply
    13,038.84x = 19,561.50 × 3,804.84
  4. Step 4: Simplify right side
    13,038.84x = 74,428,377.66
  5. Step 5: Solve for x
    x = 74,428,377.66/13,038.84
  6. Step 6: Final answer
    x = 5,708.21

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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.