Home / 19,548.72-26,981.64-16,399.44

Finding the Fourth Proportional to 19,548.72, 26,981.64 and 16,399.44

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Solution

The fourth proportional to 19,548.72, 26,981.64 and 16,399.44 is: 22,634.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,548.72 : 26,981.64 = 16,399.44 : x
  2. Step 2: Convert to fraction form
    19,548.72/26,981.64 = 16,399.44/x
  3. Step 3: Cross multiply
    19,548.72x = 26,981.64 × 16,399.44
  4. Step 4: Simplify right side
    19,548.72x = 442,483,786.28
  5. Step 5: Solve for x
    x = 442,483,786.28/19,548.72
  6. Step 6: Final answer
    x = 22,634.92

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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.