Home / 13,068.36-18,034.74-7,481.16

Finding the Fourth Proportional to 13,068.36, 18,034.74 and 7,481.16

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Solution

The fourth proportional to 13,068.36, 18,034.74 and 7,481.16 is: 10,324.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.36 : 18,034.74 = 7,481.16 : x
  2. Step 2: Convert to fraction form
    13,068.36/18,034.74 = 7,481.16/x
  3. Step 3: Cross multiply
    13,068.36x = 18,034.74 × 7,481.16
  4. Step 4: Simplify right side
    13,068.36x = 134,920,775.50
  5. Step 5: Solve for x
    x = 134,920,775.50/13,068.36
  6. Step 6: Final answer
    x = 10,324.23

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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.