Home / 14,214.98-19,626.36-9,191.36

Finding the Fourth Proportional to 14,214.98, 19,626.36 and 9,191.36

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Solution

The fourth proportional to 14,214.98, 19,626.36 and 9,191.36 is: 12,690.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,214.98 : 19,626.36 = 9,191.36 : x
  2. Step 2: Convert to fraction form
    14,214.98/19,626.36 = 9,191.36/x
  3. Step 3: Cross multiply
    14,214.98x = 19,626.36 × 9,191.36
  4. Step 4: Simplify right side
    14,214.98x = 180,392,940.25
  5. Step 5: Solve for x
    x = 180,392,940.25/14,214.98
  6. Step 6: Final answer
    x = 12,690.34

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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.