Home / 12,948.51-19,423.73-3,588.42

Finding the Fourth Proportional to 12,948.51, 19,423.73 and 3,588.42

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Solution

The fourth proportional to 12,948.51, 19,423.73 and 3,588.42 is: 5,382.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948.51 : 19,423.73 = 3,588.42 : x
  2. Step 2: Convert to fraction form
    12,948.51/19,423.73 = 3,588.42/x
  3. Step 3: Cross multiply
    12,948.51x = 19,423.73 × 3,588.42
  4. Step 4: Simplify right side
    12,948.51x = 69,700,413.06
  5. Step 5: Solve for x
    x = 69,700,413.06/12,948.51
  6. Step 6: Final answer
    x = 5,382.89

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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.