Home / 14,120.70-19,506.85-11,284.36

Finding the Fourth Proportional to 14,120.70, 19,506.85 and 11,284.36

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Solution

The fourth proportional to 14,120.70, 19,506.85 and 11,284.36 is: 15,588.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.70 : 19,506.85 = 11,284.36 : x
  2. Step 2: Convert to fraction form
    14,120.70/19,506.85 = 11,284.36/x
  3. Step 3: Cross multiply
    14,120.70x = 19,506.85 × 11,284.36
  4. Step 4: Simplify right side
    14,120.70x = 220,122,317.87
  5. Step 5: Solve for x
    x = 220,122,317.87/14,120.70
  6. Step 6: Final answer
    x = 15,588.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.