Home / 19,646.09-27,107.18-16,472.21

Finding the Fourth Proportional to 19,646.09, 27,107.18 and 16,472.21

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Solution

The fourth proportional to 19,646.09, 27,107.18 and 16,472.21 is: 22,727.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,646.09 : 27,107.18 = 16,472.21 : x
  2. Step 2: Convert to fraction form
    19,646.09/27,107.18 = 16,472.21/x
  3. Step 3: Cross multiply
    19,646.09x = 27,107.18 × 16,472.21
  4. Step 4: Simplify right side
    19,646.09x = 446,515,204.15
  5. Step 5: Solve for x
    x = 446,515,204.15/19,646.09
  6. Step 6: Final answer
    x = 22,727.94

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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.