Home / 14,220.36-19,625.84-8,558.06

Finding the Fourth Proportional to 14,220.36, 19,625.84 and 8,558.06

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Solution

The fourth proportional to 14,220.36, 19,625.84 and 8,558.06 is: 11,811.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.36 : 19,625.84 = 8,558.06 : x
  2. Step 2: Convert to fraction form
    14,220.36/19,625.84 = 8,558.06/x
  3. Step 3: Cross multiply
    14,220.36x = 19,625.84 × 8,558.06
  4. Step 4: Simplify right side
    14,220.36x = 167,959,055.58
  5. Step 5: Solve for x
    x = 167,959,055.58/14,220.36
  6. Step 6: Final answer
    x = 11,811.17

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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.