Home / 13,244.09-18,277.07-7,275.69

Finding the Fourth Proportional to 13,244.09, 18,277.07 and 7,275.69

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Solution

The fourth proportional to 13,244.09, 18,277.07 and 7,275.69 is: 10,040.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.09 : 18,277.07 = 7,275.69 : x
  2. Step 2: Convert to fraction form
    13,244.09/18,277.07 = 7,275.69/x
  3. Step 3: Cross multiply
    13,244.09x = 18,277.07 × 7,275.69
  4. Step 4: Simplify right side
    13,244.09x = 132,978,259.05
  5. Step 5: Solve for x
    x = 132,978,259.05/13,244.09
  6. Step 6: Final answer
    x = 10,040.58

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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.