Home / 14,478.40-19,983.27-11,084.44

Finding the Fourth Proportional to 14,478.40, 19,983.27 and 11,084.44

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Solution

The fourth proportional to 14,478.40, 19,983.27 and 11,084.44 is: 15,298.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,478.40 : 19,983.27 = 11,084.44 : x
  2. Step 2: Convert to fraction form
    14,478.40/19,983.27 = 11,084.44/x
  3. Step 3: Cross multiply
    14,478.40x = 19,983.27 × 11,084.44
  4. Step 4: Simplify right side
    14,478.40x = 221,503,357.32
  5. Step 5: Solve for x
    x = 221,503,357.32/14,478.40
  6. Step 6: Final answer
    x = 15,298.88

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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.