Home / 13,285.84-19,930.71-7,044.25

Finding the Fourth Proportional to 13,285.84, 19,930.71 and 7,044.25

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Solution

The fourth proportional to 13,285.84, 19,930.71 and 7,044.25 is: 10,567.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285.84 : 19,930.71 = 7,044.25 : x
  2. Step 2: Convert to fraction form
    13,285.84/19,930.71 = 7,044.25/x
  3. Step 3: Cross multiply
    13,285.84x = 19,930.71 × 7,044.25
  4. Step 4: Simplify right side
    13,285.84x = 140,396,804.26
  5. Step 5: Solve for x
    x = 140,396,804.26/13,285.84
  6. Step 6: Final answer
    x = 10,567.41

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1.5x scale

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.