Home / 18,866.03-26,047.31-11,703.56

Finding the Fourth Proportional to 18,866.03, 26,047.31 and 11,703.56

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Solution

The fourth proportional to 18,866.03, 26,047.31 and 11,703.56 is: 16,158.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,866.03 : 26,047.31 = 11,703.56 : x
  2. Step 2: Convert to fraction form
    18,866.03/26,047.31 = 11,703.56/x
  3. Step 3: Cross multiply
    18,866.03x = 26,047.31 × 11,703.56
  4. Step 4: Simplify right side
    18,866.03x = 304,846,255.42
  5. Step 5: Solve for x
    x = 304,846,255.42/18,866.03
  6. Step 6: Final answer
    x = 16,158.47

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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.