Home / 13,554.32-18,704.08-7,584.96

Finding the Fourth Proportional to 13,554.32, 18,704.08 and 7,584.96

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Solution

The fourth proportional to 13,554.32, 18,704.08 and 7,584.96 is: 10,466.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.32 : 18,704.08 = 7,584.96 : x
  2. Step 2: Convert to fraction form
    13,554.32/18,704.08 = 7,584.96/x
  3. Step 3: Cross multiply
    13,554.32x = 18,704.08 × 7,584.96
  4. Step 4: Simplify right side
    13,554.32x = 141,869,698.64
  5. Step 5: Solve for x
    x = 141,869,698.64/13,554.32
  6. Step 6: Final answer
    x = 10,466.75

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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.