Home / 13,324.07-18,386.91-7,356.30

Finding the Fourth Proportional to 13,324.07, 18,386.91 and 7,356.30

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Solution

The fourth proportional to 13,324.07, 18,386.91 and 7,356.30 is: 10,151.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.07 : 18,386.91 = 7,356.30 : x
  2. Step 2: Convert to fraction form
    13,324.07/18,386.91 = 7,356.30/x
  3. Step 3: Cross multiply
    13,324.07x = 18,386.91 × 7,356.30
  4. Step 4: Simplify right side
    13,324.07x = 135,259,626.03
  5. Step 5: Solve for x
    x = 135,259,626.03/13,324.07
  6. Step 6: Final answer
    x = 10,151.53

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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.