Home / 13,435.58-18,540.24-7,466.89

Finding the Fourth Proportional to 13,435.58, 18,540.24 and 7,466.89

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Solution

The fourth proportional to 13,435.58, 18,540.24 and 7,466.89 is: 10,303.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435.58 : 18,540.24 = 7,466.89 : x
  2. Step 2: Convert to fraction form
    13,435.58/18,540.24 = 7,466.89/x
  3. Step 3: Cross multiply
    13,435.58x = 18,540.24 × 7,466.89
  4. Step 4: Simplify right side
    13,435.58x = 138,437,932.65
  5. Step 5: Solve for x
    x = 138,437,932.65/13,435.58
  6. Step 6: Final answer
    x = 10,303.83

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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.