Home / 13,118.69-19,673.77-4,351.25

Finding the Fourth Proportional to 13,118.69, 19,673.77 and 4,351.25

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Solution

The fourth proportional to 13,118.69, 19,673.77 and 4,351.25 is: 6,525.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118.69 : 19,673.77 = 4,351.25 : x
  2. Step 2: Convert to fraction form
    13,118.69/19,673.77 = 4,351.25/x
  3. Step 3: Cross multiply
    13,118.69x = 19,673.77 × 4,351.25
  4. Step 4: Simplify right side
    13,118.69x = 85,605,491.71
  5. Step 5: Solve for x
    x = 85,605,491.71/13,118.69
  6. Step 6: Final answer
    x = 6,525.46

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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.