Home / 15,897.33-21,944.21-13,650.18

Finding the Fourth Proportional to 15,897.33, 21,944.21 and 13,650.18

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Solution

The fourth proportional to 15,897.33, 21,944.21 and 13,650.18 is: 18,842.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,897.33 : 21,944.21 = 13,650.18 : x
  2. Step 2: Convert to fraction form
    15,897.33/21,944.21 = 13,650.18/x
  3. Step 3: Cross multiply
    15,897.33x = 21,944.21 × 13,650.18
  4. Step 4: Simplify right side
    15,897.33x = 299,542,471.32
  5. Step 5: Solve for x
    x = 299,542,471.32/15,897.33
  6. Step 6: Final answer
    x = 18,842.31

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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.