Home / 12,809.74-19,087.27-11,412.34

Finding the Fourth Proportional to 12,809.74, 19,087.27 and 11,412.34

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Solution

The fourth proportional to 12,809.74, 19,087.27 and 11,412.34 is: 17,005.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,809.74 : 19,087.27 = 11,412.34 : x
  2. Step 2: Convert to fraction form
    12,809.74/19,087.27 = 11,412.34/x
  3. Step 3: Cross multiply
    12,809.74x = 19,087.27 × 11,412.34
  4. Step 4: Simplify right side
    12,809.74x = 217,830,338.66
  5. Step 5: Solve for x
    x = 217,830,338.66/12,809.74
  6. Step 6: Final answer
    x = 17,005.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.