Home / 14,949.45-20,480.84-14,388.93

Finding the Fourth Proportional to 14,949.45, 20,480.84 and 14,388.93

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Solution

The fourth proportional to 14,949.45, 20,480.84 and 14,388.93 is: 19,712.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,949.45 : 20,480.84 = 14,388.93 : x
  2. Step 2: Convert to fraction form
    14,949.45/20,480.84 = 14,388.93/x
  3. Step 3: Cross multiply
    14,949.45x = 20,480.84 × 14,388.93
  4. Step 4: Simplify right side
    14,949.45x = 294,697,270.70
  5. Step 5: Solve for x
    x = 294,697,270.70/14,949.45
  6. Step 6: Final answer
    x = 19,712.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.