Home / 13,435.08-18,540.44-7,466.59

Finding the Fourth Proportional to 13,435.08, 18,540.44 and 7,466.59

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Solution

The fourth proportional to 13,435.08, 18,540.44 and 7,466.59 is: 10,303.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435.08 : 18,540.44 = 7,466.59 : x
  2. Step 2: Convert to fraction form
    13,435.08/18,540.44 = 7,466.59/x
  3. Step 3: Cross multiply
    13,435.08x = 18,540.44 × 7,466.59
  4. Step 4: Simplify right side
    13,435.08x = 138,433,863.90
  5. Step 5: Solve for x
    x = 138,433,863.90/13,435.08
  6. Step 6: Final answer
    x = 10,303.91

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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.