Home / 13,816.16-19,066.44-7,528.64

Finding the Fourth Proportional to 13,816.16, 19,066.44 and 7,528.64

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Solution

The fourth proportional to 13,816.16, 19,066.44 and 7,528.64 is: 10,389.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.16 : 19,066.44 = 7,528.64 : x
  2. Step 2: Convert to fraction form
    13,816.16/19,066.44 = 7,528.64/x
  3. Step 3: Cross multiply
    13,816.16x = 19,066.44 × 7,528.64
  4. Step 4: Simplify right side
    13,816.16x = 143,544,362.84
  5. Step 5: Solve for x
    x = 143,544,362.84/13,816.16
  6. Step 6: Final answer
    x = 10,389.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.