Home / 19,573.16-27,015.76-12,021.30

Finding the Fourth Proportional to 19,573.16, 27,015.76 and 12,021.30

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Solution

The fourth proportional to 19,573.16, 27,015.76 and 12,021.30 is: 16,592.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,573.16 : 27,015.76 = 12,021.30 : x
  2. Step 2: Convert to fraction form
    19,573.16/27,015.76 = 12,021.30/x
  3. Step 3: Cross multiply
    19,573.16x = 27,015.76 × 12,021.30
  4. Step 4: Simplify right side
    19,573.16x = 324,764,555.69
  5. Step 5: Solve for x
    x = 324,764,555.69/19,573.16
  6. Step 6: Final answer
    x = 16,592.34

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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.