Home / 21,554.58-32,325.64-9,074.50

Finding the Fourth Proportional to 21,554.58, 32,325.64 and 9,074.50

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Solution

The fourth proportional to 21,554.58, 32,325.64 and 9,074.50 is: 13,609.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,554.58 : 32,325.64 = 9,074.50 : x
  2. Step 2: Convert to fraction form
    21,554.58/32,325.64 = 9,074.50/x
  3. Step 3: Cross multiply
    21,554.58x = 32,325.64 × 9,074.50
  4. Step 4: Simplify right side
    21,554.58x = 293,339,020.18
  5. Step 5: Solve for x
    x = 293,339,020.18/21,554.58
  6. Step 6: Final answer
    x = 13,609.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.