Home / 14,379.36-21,592.80-10,869.36

Finding the Fourth Proportional to 14,379.36, 21,592.80 and 10,869.36

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Solution

The fourth proportional to 14,379.36, 21,592.80 and 10,869.36 is: 16,322.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,379.36 : 21,592.80 = 10,869.36 : x
  2. Step 2: Convert to fraction form
    14,379.36/21,592.80 = 10,869.36/x
  3. Step 3: Cross multiply
    14,379.36x = 21,592.80 × 10,869.36
  4. Step 4: Simplify right side
    14,379.36x = 234,699,916.61
  5. Step 5: Solve for x
    x = 234,699,916.61/14,379.36
  6. Step 6: Final answer
    x = 16,322.00

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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.