Home / 19,895.88-27,460.22-11,403.70

Finding the Fourth Proportional to 19,895.88, 27,460.22 and 11,403.70

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Solution

The fourth proportional to 19,895.88, 27,460.22 and 11,403.70 is: 15,739.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,895.88 : 27,460.22 = 11,403.70 : x
  2. Step 2: Convert to fraction form
    19,895.88/27,460.22 = 11,403.70/x
  3. Step 3: Cross multiply
    19,895.88x = 27,460.22 × 11,403.70
  4. Step 4: Simplify right side
    19,895.88x = 313,148,027.91
  5. Step 5: Solve for x
    x = 313,148,027.91/19,895.88
  6. Step 6: Final answer
    x = 15,739.34

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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.