Home / 19,898.89-27,434.44-14,443.05

Finding the Fourth Proportional to 19,898.89, 27,434.44 and 14,443.05

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Solution

The fourth proportional to 19,898.89, 27,434.44 and 14,443.05 is: 19,912.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,898.89 : 27,434.44 = 14,443.05 : x
  2. Step 2: Convert to fraction form
    19,898.89/27,434.44 = 14,443.05/x
  3. Step 3: Cross multiply
    19,898.89x = 27,434.44 × 14,443.05
  4. Step 4: Simplify right side
    19,898.89x = 396,236,952.53
  5. Step 5: Solve for x
    x = 396,236,952.53/19,898.89
  6. Step 6: Final answer
    x = 19,912.52

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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.