Home / 13,346.88-18,418.74-7,297.24

Finding the Fourth Proportional to 13,346.88, 18,418.74 and 7,297.24

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Solution

The fourth proportional to 13,346.88, 18,418.74 and 7,297.24 is: 10,070.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.88 : 18,418.74 = 7,297.24 : x
  2. Step 2: Convert to fraction form
    13,346.88/18,418.74 = 7,297.24/x
  3. Step 3: Cross multiply
    13,346.88x = 18,418.74 × 7,297.24
  4. Step 4: Simplify right side
    13,346.88x = 134,405,968.45
  5. Step 5: Solve for x
    x = 134,405,968.45/13,346.88
  6. Step 6: Final answer
    x = 10,070.22

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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.