Home / 14,449.20-19,922.40-11,095.80

Finding the Fourth Proportional to 14,449.20, 19,922.40 and 11,095.80

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Solution

The fourth proportional to 14,449.20, 19,922.40 and 11,095.80 is: 15,298.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,449.20 : 19,922.40 = 11,095.80 : x
  2. Step 2: Convert to fraction form
    14,449.20/19,922.40 = 11,095.80/x
  3. Step 3: Cross multiply
    14,449.20x = 19,922.40 × 11,095.80
  4. Step 4: Simplify right side
    14,449.20x = 221,054,965.92
  5. Step 5: Solve for x
    x = 221,054,965.92/14,449.20
  6. Step 6: Final answer
    x = 15,298.77

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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.