Home / 19,427.74-26,810.94-11,873.14

Finding the Fourth Proportional to 19,427.74, 26,810.94 and 11,873.14

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Solution

The fourth proportional to 19,427.74, 26,810.94 and 11,873.14 is: 16,385.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,427.74 : 26,810.94 = 11,873.14 : x
  2. Step 2: Convert to fraction form
    19,427.74/26,810.94 = 11,873.14/x
  3. Step 3: Cross multiply
    19,427.74x = 26,810.94 × 11,873.14
  4. Step 4: Simplify right side
    19,427.74x = 318,330,044.15
  5. Step 5: Solve for x
    x = 318,330,044.15/19,427.74
  6. Step 6: Final answer
    x = 16,385.34

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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.