Home / 13,208.23-19,812.36-3,347.51

Finding the Fourth Proportional to 13,208.23, 19,812.36 and 3,347.51

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Solution

The fourth proportional to 13,208.23, 19,812.36 and 3,347.51 is: 5,021.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208.23 : 19,812.36 = 3,347.51 : x
  2. Step 2: Convert to fraction form
    13,208.23/19,812.36 = 3,347.51/x
  3. Step 3: Cross multiply
    13,208.23x = 19,812.36 × 3,347.51
  4. Step 4: Simplify right side
    13,208.23x = 66,321,986.71
  5. Step 5: Solve for x
    x = 66,321,986.71/13,208.23
  6. Step 6: Final answer
    x = 5,021.26

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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.