Home / 13,583.64-18,737.10-8,984.37

Finding the Fourth Proportional to 13,583.64, 18,737.10 and 8,984.37

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Solution

The fourth proportional to 13,583.64, 18,737.10 and 8,984.37 is: 12,392.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,583.64 : 18,737.10 = 8,984.37 : x
  2. Step 2: Convert to fraction form
    13,583.64/18,737.10 = 8,984.37/x
  3. Step 3: Cross multiply
    13,583.64x = 18,737.10 × 8,984.37
  4. Step 4: Simplify right side
    13,583.64x = 168,341,039.13
  5. Step 5: Solve for x
    x = 168,341,039.13/13,583.64
  6. Step 6: Final answer
    x = 12,392.93

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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.