Home / 13,316.30-19,976.61-4,996.96

Finding the Fourth Proportional to 13,316.30, 19,976.61 and 4,996.96

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Solution

The fourth proportional to 13,316.30, 19,976.61 and 4,996.96 is: 7,496.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316.30 : 19,976.61 = 4,996.96 : x
  2. Step 2: Convert to fraction form
    13,316.30/19,976.61 = 4,996.96/x
  3. Step 3: Cross multiply
    13,316.30x = 19,976.61 × 4,996.96
  4. Step 4: Simplify right side
    13,316.30x = 99,822,405.99
  5. Step 5: Solve for x
    x = 99,822,405.99/13,316.30
  6. Step 6: Final answer
    x = 7,496.26

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1.5x scale

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.