Home / 13,783.26-19,013.89-9,006.00

Finding the Fourth Proportional to 13,783.26, 19,013.89 and 9,006.00

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Solution

The fourth proportional to 13,783.26, 19,013.89 and 9,006.00 is: 12,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783.26 : 19,013.89 = 9,006.00 : x
  2. Step 2: Convert to fraction form
    13,783.26/19,013.89 = 9,006.00/x
  3. Step 3: Cross multiply
    13,783.26x = 19,013.89 × 9,006.00
  4. Step 4: Simplify right side
    13,783.26x = 171,239,005.78
  5. Step 5: Solve for x
    x = 171,239,005.78/13,783.26
  6. Step 6: Final answer
    x = 12,423.70

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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.