Home / 23,730.12-32,745.06-13,118.04

Finding the Fourth Proportional to 23,730.12, 32,745.06 and 13,118.04

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Solution

The fourth proportional to 23,730.12, 32,745.06 and 13,118.04 is: 18,101.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,730.12 : 32,745.06 = 13,118.04 : x
  2. Step 2: Convert to fraction form
    23,730.12/32,745.06 = 13,118.04/x
  3. Step 3: Cross multiply
    23,730.12x = 32,745.06 × 13,118.04
  4. Step 4: Simplify right side
    23,730.12x = 429,551,006.88
  5. Step 5: Solve for x
    x = 429,551,006.88/23,730.12
  6. Step 6: Final answer
    x = 18,101.51

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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.