Home / 14,187.06-19,580.51-8,222.36

Finding the Fourth Proportional to 14,187.06, 19,580.51 and 8,222.36

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Solution

The fourth proportional to 14,187.06, 19,580.51 and 8,222.36 is: 11,348.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,187.06 : 19,580.51 = 8,222.36 : x
  2. Step 2: Convert to fraction form
    14,187.06/19,580.51 = 8,222.36/x
  3. Step 3: Cross multiply
    14,187.06x = 19,580.51 × 8,222.36
  4. Step 4: Simplify right side
    14,187.06x = 160,997,924.86
  5. Step 5: Solve for x
    x = 160,997,924.86/14,187.06
  6. Step 6: Final answer
    x = 11,348.22

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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.