Home / 19,700.68-27,196.97-15,214.36

Finding the Fourth Proportional to 19,700.68, 27,196.97 and 15,214.36

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Solution

The fourth proportional to 19,700.68, 27,196.97 and 15,214.36 is: 21,003.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,700.68 : 27,196.97 = 15,214.36 : x
  2. Step 2: Convert to fraction form
    19,700.68/27,196.97 = 15,214.36/x
  3. Step 3: Cross multiply
    19,700.68x = 27,196.97 × 15,214.36
  4. Step 4: Simplify right side
    19,700.68x = 413,784,492.49
  5. Step 5: Solve for x
    x = 413,784,492.49/19,700.68
  6. Step 6: Final answer
    x = 21,003.56

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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.