Home / 14,190.09-19,582.35-8,222.91

Finding the Fourth Proportional to 14,190.09, 19,582.35 and 8,222.91

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Solution

The fourth proportional to 14,190.09, 19,582.35 and 8,222.91 is: 11,347.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.09 : 19,582.35 = 8,222.91 : x
  2. Step 2: Convert to fraction form
    14,190.09/19,582.35 = 8,222.91/x
  3. Step 3: Cross multiply
    14,190.09x = 19,582.35 × 8,222.91
  4. Step 4: Simplify right side
    14,190.09x = 161,023,901.64
  5. Step 5: Solve for x
    x = 161,023,901.64/14,190.09
  6. Step 6: Final answer
    x = 11,347.63

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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.