Home / 13,045.25-19,569.04-3,685.36

Finding the Fourth Proportional to 13,045.25, 19,569.04 and 3,685.36

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Solution

The fourth proportional to 13,045.25, 19,569.04 and 3,685.36 is: 5,528.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.25 : 19,569.04 = 3,685.36 : x
  2. Step 2: Convert to fraction form
    13,045.25/19,569.04 = 3,685.36/x
  3. Step 3: Cross multiply
    13,045.25x = 19,569.04 × 3,685.36
  4. Step 4: Simplify right side
    13,045.25x = 72,118,957.25
  5. Step 5: Solve for x
    x = 72,118,957.25/13,045.25
  6. Step 6: Final answer
    x = 5,528.37

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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.