Home / 14,091.18-19,444.51-8,424.80

Finding the Fourth Proportional to 14,091.18, 19,444.51 and 8,424.80

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Solution

The fourth proportional to 14,091.18, 19,444.51 and 8,424.80 is: 11,625.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.18 : 19,444.51 = 8,424.80 : x
  2. Step 2: Convert to fraction form
    14,091.18/19,444.51 = 8,424.80/x
  3. Step 3: Cross multiply
    14,091.18x = 19,444.51 × 8,424.80
  4. Step 4: Simplify right side
    14,091.18x = 163,816,107.85
  5. Step 5: Solve for x
    x = 163,816,107.85/14,091.18
  6. Step 6: Final answer
    x = 11,625.44

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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.