Home / 19,676.88-27,127.56-19,065.36

Finding the Fourth Proportional to 19,676.88, 27,127.56 and 19,065.36

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Solution

The fourth proportional to 19,676.88, 27,127.56 and 19,065.36 is: 26,284.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,676.88 : 27,127.56 = 19,065.36 : x
  2. Step 2: Convert to fraction form
    19,676.88/27,127.56 = 19,065.36/x
  3. Step 3: Cross multiply
    19,676.88x = 27,127.56 × 19,065.36
  4. Step 4: Simplify right side
    19,676.88x = 517,196,697.32
  5. Step 5: Solve for x
    x = 517,196,697.32/19,676.88
  6. Step 6: Final answer
    x = 26,284.49

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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.