Home / 13,961.77-19,266.71-7,993.99

Finding the Fourth Proportional to 13,961.77, 19,266.71 and 7,993.99

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Solution

The fourth proportional to 13,961.77, 19,266.71 and 7,993.99 is: 11,031.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.77 : 19,266.71 = 7,993.99 : x
  2. Step 2: Convert to fraction form
    13,961.77/19,266.71 = 7,993.99/x
  3. Step 3: Cross multiply
    13,961.77x = 19,266.71 × 7,993.99
  4. Step 4: Simplify right side
    13,961.77x = 154,017,916.15
  5. Step 5: Solve for x
    x = 154,017,916.15/13,961.77
  6. Step 6: Final answer
    x = 11,031.41

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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.