Home / 13,448.54-18,559.43-7,399.03

Finding the Fourth Proportional to 13,448.54, 18,559.43 and 7,399.03

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Solution

The fourth proportional to 13,448.54, 18,559.43 and 7,399.03 is: 10,210.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448.54 : 18,559.43 = 7,399.03 : x
  2. Step 2: Convert to fraction form
    13,448.54/18,559.43 = 7,399.03/x
  3. Step 3: Cross multiply
    13,448.54x = 18,559.43 × 7,399.03
  4. Step 4: Simplify right side
    13,448.54x = 137,321,779.35
  5. Step 5: Solve for x
    x = 137,321,779.35/13,448.54
  6. Step 6: Final answer
    x = 10,210.91

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1.5x scale

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.