Home / 14,191.06-19,582.41-8,220.82

Finding the Fourth Proportional to 14,191.06, 19,582.41 and 8,220.82

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Solution

The fourth proportional to 14,191.06, 19,582.41 and 8,220.82 is: 11,344.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.06 : 19,582.41 = 8,220.82 : x
  2. Step 2: Convert to fraction form
    14,191.06/19,582.41 = 8,220.82/x
  3. Step 3: Cross multiply
    14,191.06x = 19,582.41 × 8,220.82
  4. Step 4: Simplify right side
    14,191.06x = 160,983,467.78
  5. Step 5: Solve for x
    x = 160,983,467.78/14,191.06
  6. Step 6: Final answer
    x = 11,344.01

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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.