Home / 13,950.12-19,250.95-7,983.26

Finding the Fourth Proportional to 13,950.12, 19,250.95 and 7,983.26

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Solution

The fourth proportional to 13,950.12, 19,250.95 and 7,983.26 is: 11,016.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.12 : 19,250.95 = 7,983.26 : x
  2. Step 2: Convert to fraction form
    13,950.12/19,250.95 = 7,983.26/x
  3. Step 3: Cross multiply
    13,950.12x = 19,250.95 × 7,983.26
  4. Step 4: Simplify right side
    13,950.12x = 153,685,339.10
  5. Step 5: Solve for x
    x = 153,685,339.10/13,950.12
  6. Step 6: Final answer
    x = 11,016.78

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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.