Home / 13,583.40-20,370.12-4,696.48

Finding the Fourth Proportional to 13,583.40, 20,370.12 and 4,696.48

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Solution

The fourth proportional to 13,583.40, 20,370.12 and 4,696.48 is: 7,043.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,583.40 : 20,370.12 = 4,696.48 : x
  2. Step 2: Convert to fraction form
    13,583.40/20,370.12 = 4,696.48/x
  3. Step 3: Cross multiply
    13,583.40x = 20,370.12 × 4,696.48
  4. Step 4: Simplify right side
    13,583.40x = 95,667,861.18
  5. Step 5: Solve for x
    x = 95,667,861.18/13,583.40
  6. Step 6: Final answer
    x = 7,043.00

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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.