Home / 19,663.63-27,112.23-16,065.25

Finding the Fourth Proportional to 19,663.63, 27,112.23 and 16,065.25

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Solution

The fourth proportional to 19,663.63, 27,112.23 and 16,065.25 is: 22,150.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,663.63 : 27,112.23 = 16,065.25 : x
  2. Step 2: Convert to fraction form
    19,663.63/27,112.23 = 16,065.25/x
  3. Step 3: Cross multiply
    19,663.63x = 27,112.23 × 16,065.25
  4. Step 4: Simplify right side
    19,663.63x = 435,564,753.01
  5. Step 5: Solve for x
    x = 435,564,753.01/19,663.63
  6. Step 6: Final answer
    x = 22,150.78

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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.