Home / 13,143.25-19,713.75-4,822.93

Finding the Fourth Proportional to 13,143.25, 19,713.75 and 4,822.93

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Solution

The fourth proportional to 13,143.25, 19,713.75 and 4,822.93 is: 7,233.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,143.25 : 19,713.75 = 4,822.93 : x
  2. Step 2: Convert to fraction form
    13,143.25/19,713.75 = 4,822.93/x
  3. Step 3: Cross multiply
    13,143.25x = 19,713.75 × 4,822.93
  4. Step 4: Simplify right side
    13,143.25x = 95,078,036.29
  5. Step 5: Solve for x
    x = 95,078,036.29/13,143.25
  6. Step 6: Final answer
    x = 7,233.98

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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.