Home / 13,816.08-19,066.68-7,848

Finding the Fourth Proportional to 13,816.08, 19,066.68 and 7,848

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Solution

The fourth proportional to 13,816.08, 19,066.68 and 7,848 is: 10,830.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.08 : 19,066.68 = 7,848 : x
  2. Step 2: Convert to fraction form
    13,816.08/19,066.68 = 7,848/x
  3. Step 3: Cross multiply
    13,816.08x = 19,066.68 × 7,848
  4. Step 4: Simplify right side
    13,816.08x = 149,635,304.64
  5. Step 5: Solve for x
    x = 149,635,304.64/13,816.08
  6. Step 6: Final answer
    x = 10,830.52

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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.