Home / 14,734.68-20,294.40-12,745.32

Finding the Fourth Proportional to 14,734.68, 20,294.40 and 12,745.32

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Solution

The fourth proportional to 14,734.68, 20,294.40 and 12,745.32 is: 17,554.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,734.68 : 20,294.40 = 12,745.32 : x
  2. Step 2: Convert to fraction form
    14,734.68/20,294.40 = 12,745.32/x
  3. Step 3: Cross multiply
    14,734.68x = 20,294.40 × 12,745.32
  4. Step 4: Simplify right side
    14,734.68x = 258,658,622.21
  5. Step 5: Solve for x
    x = 258,658,622.21/14,734.68
  6. Step 6: Final answer
    x = 17,554.41

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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.