Home / 14,607.96-21,912-4,748.08

Finding the Fourth Proportional to 14,607.96, 21,912 and 4,748.08

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Solution

The fourth proportional to 14,607.96, 21,912 and 4,748.08 is: 7,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,607.96 : 21,912 = 4,748.08 : x
  2. Step 2: Convert to fraction form
    14,607.96/21,912 = 4,748.08/x
  3. Step 3: Cross multiply
    14,607.96x = 21,912 × 4,748.08
  4. Step 4: Simplify right side
    14,607.96x = 104,039,928.96
  5. Step 5: Solve for x
    x = 104,039,928.96/14,607.96
  6. Step 6: Final answer
    x = 7,122.14

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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.