Home / 19,967.36-27,563.82-12,897.23

Finding the Fourth Proportional to 19,967.36, 27,563.82 and 12,897.23

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Solution

The fourth proportional to 19,967.36, 27,563.82 and 12,897.23 is: 17,803.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,967.36 : 27,563.82 = 12,897.23 : x
  2. Step 2: Convert to fraction form
    19,967.36/27,563.82 = 12,897.23/x
  3. Step 3: Cross multiply
    19,967.36x = 27,563.82 × 12,897.23
  4. Step 4: Simplify right side
    19,967.36x = 355,496,926.22
  5. Step 5: Solve for x
    x = 355,496,926.22/19,967.36
  6. Step 6: Final answer
    x = 17,803.90

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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.