Home / 12,823.48-19,243.81-4,503.53

Finding the Fourth Proportional to 12,823.48, 19,243.81 and 4,503.53

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Solution

The fourth proportional to 12,823.48, 19,243.81 and 4,503.53 is: 6,758.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,823.48 : 19,243.81 = 4,503.53 : x
  2. Step 2: Convert to fraction form
    12,823.48/19,243.81 = 4,503.53/x
  3. Step 3: Cross multiply
    12,823.48x = 19,243.81 × 4,503.53
  4. Step 4: Simplify right side
    12,823.48x = 86,664,968.17
  5. Step 5: Solve for x
    x = 86,664,968.17/12,823.48
  6. Step 6: Final answer
    x = 6,758.30

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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.