Home / 14,170.54-19,545.39-12,278.77

Finding the Fourth Proportional to 14,170.54, 19,545.39 and 12,278.77

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Solution

The fourth proportional to 14,170.54, 19,545.39 and 12,278.77 is: 16,936.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.54 : 19,545.39 = 12,278.77 : x
  2. Step 2: Convert to fraction form
    14,170.54/19,545.39 = 12,278.77/x
  3. Step 3: Cross multiply
    14,170.54x = 19,545.39 × 12,278.77
  4. Step 4: Simplify right side
    14,170.54x = 239,993,348.37
  5. Step 5: Solve for x
    x = 239,993,348.37/14,170.54
  6. Step 6: Final answer
    x = 16,936.08

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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.