Home / 14,618.40-21,927.60-4,764.75

Finding the Fourth Proportional to 14,618.40, 21,927.60 and 4,764.75

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Solution

The fourth proportional to 14,618.40, 21,927.60 and 4,764.75 is: 7,147.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.40 : 21,927.60 = 4,764.75 : x
  2. Step 2: Convert to fraction form
    14,618.40/21,927.60 = 4,764.75/x
  3. Step 3: Cross multiply
    14,618.40x = 21,927.60 × 4,764.75
  4. Step 4: Simplify right side
    14,618.40x = 104,479,532.10
  5. Step 5: Solve for x
    x = 104,479,532.10/14,618.40
  6. Step 6: Final answer
    x = 7,147.13

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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.