Home / 14,101.36-19,433.08-10,115.57

Finding the Fourth Proportional to 14,101.36, 19,433.08 and 10,115.57

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Solution

The fourth proportional to 14,101.36, 19,433.08 and 10,115.57 is: 13,940.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.36 : 19,433.08 = 10,115.57 : x
  2. Step 2: Convert to fraction form
    14,101.36/19,433.08 = 10,115.57/x
  3. Step 3: Cross multiply
    14,101.36x = 19,433.08 × 10,115.57
  4. Step 4: Simplify right side
    14,101.36x = 196,576,681.06
  5. Step 5: Solve for x
    x = 196,576,681.06/14,101.36
  6. Step 6: Final answer
    x = 13,940.26

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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.