Home / 13,961.08-19,266.36-7,587.72

Finding the Fourth Proportional to 13,961.08, 19,266.36 and 7,587.72

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Solution

The fourth proportional to 13,961.08, 19,266.36 and 7,587.72 is: 10,471.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.08 : 19,266.36 = 7,587.72 : x
  2. Step 2: Convert to fraction form
    13,961.08/19,266.36 = 7,587.72/x
  3. Step 3: Cross multiply
    13,961.08x = 19,266.36 × 7,587.72
  4. Step 4: Simplify right side
    13,961.08x = 146,187,745.10
  5. Step 5: Solve for x
    x = 146,187,745.10/13,961.08
  6. Step 6: Final answer
    x = 10,471.09

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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.