Home / 13,868.48-19,133.06-8,554.04

Finding the Fourth Proportional to 13,868.48, 19,133.06 and 8,554.04

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Solution

The fourth proportional to 13,868.48, 19,133.06 and 8,554.04 is: 11,801.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868.48 : 19,133.06 = 8,554.04 : x
  2. Step 2: Convert to fraction form
    13,868.48/19,133.06 = 8,554.04/x
  3. Step 3: Cross multiply
    13,868.48x = 19,133.06 × 8,554.04
  4. Step 4: Simplify right side
    13,868.48x = 163,664,960.56
  5. Step 5: Solve for x
    x = 163,664,960.56/13,868.48
  6. Step 6: Final answer
    x = 11,801.22

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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.