Home / 14,291.10-19,722.42-8,625.75

Finding the Fourth Proportional to 14,291.10, 19,722.42 and 8,625.75

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Solution

The fourth proportional to 14,291.10, 19,722.42 and 8,625.75 is: 11,903.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.10 : 19,722.42 = 8,625.75 : x
  2. Step 2: Convert to fraction form
    14,291.10/19,722.42 = 8,625.75/x
  3. Step 3: Cross multiply
    14,291.10x = 19,722.42 × 8,625.75
  4. Step 4: Simplify right side
    14,291.10x = 170,120,664.32
  5. Step 5: Solve for x
    x = 170,120,664.32/14,291.10
  6. Step 6: Final answer
    x = 11,903.96

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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.