Home / 13,237.53-18,267.07-7,268.23

Finding the Fourth Proportional to 13,237.53, 18,267.07 and 7,268.23

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Solution

The fourth proportional to 13,237.53, 18,267.07 and 7,268.23 is: 10,029.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.53 : 18,267.07 = 7,268.23 : x
  2. Step 2: Convert to fraction form
    13,237.53/18,267.07 = 7,268.23/x
  3. Step 3: Cross multiply
    13,237.53x = 18,267.07 × 7,268.23
  4. Step 4: Simplify right side
    13,237.53x = 132,769,284.48
  5. Step 5: Solve for x
    x = 132,769,284.48/13,237.53
  6. Step 6: Final answer
    x = 10,029.77

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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.