Home / 13,712.94-20,569.41-6,316.02

Finding the Fourth Proportional to 13,712.94, 20,569.41 and 6,316.02

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Solution

The fourth proportional to 13,712.94, 20,569.41 and 6,316.02 is: 9,474.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712.94 : 20,569.41 = 6,316.02 : x
  2. Step 2: Convert to fraction form
    13,712.94/20,569.41 = 6,316.02/x
  3. Step 3: Cross multiply
    13,712.94x = 20,569.41 × 6,316.02
  4. Step 4: Simplify right side
    13,712.94x = 129,916,804.95
  5. Step 5: Solve for x
    x = 129,916,804.95/13,712.94
  6. Step 6: Final answer
    x = 9,474.03

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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.