Home / 23,721.34-32,697.75-18,677.56

Finding the Fourth Proportional to 23,721.34, 32,697.75 and 18,677.56

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Solution

The fourth proportional to 23,721.34, 32,697.75 and 18,677.56 is: 25,745.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,721.34 : 32,697.75 = 18,677.56 : x
  2. Step 2: Convert to fraction form
    23,721.34/32,697.75 = 18,677.56/x
  3. Step 3: Cross multiply
    23,721.34x = 32,697.75 × 18,677.56
  4. Step 4: Simplify right side
    23,721.34x = 610,714,187.49
  5. Step 5: Solve for x
    x = 610,714,187.49/23,721.34
  6. Step 6: Final answer
    x = 25,745.35

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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.