Home / 13,807.48-19,054.02-7,839.04

Finding the Fourth Proportional to 13,807.48, 19,054.02 and 7,839.04

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Solution

The fourth proportional to 13,807.48, 19,054.02 and 7,839.04 is: 10,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807.48 : 19,054.02 = 7,839.04 : x
  2. Step 2: Convert to fraction form
    13,807.48/19,054.02 = 7,839.04/x
  3. Step 3: Cross multiply
    13,807.48x = 19,054.02 × 7,839.04
  4. Step 4: Simplify right side
    13,807.48x = 149,365,224.94
  5. Step 5: Solve for x
    x = 149,365,224.94/13,807.48
  6. Step 6: Final answer
    x = 10,817.70

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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.