Home / 12,609.56-18,826.85-10,734.21

Finding the Fourth Proportional to 12,609.56, 18,826.85 and 10,734.21

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Solution

The fourth proportional to 12,609.56, 18,826.85 and 10,734.21 is: 16,026.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,609.56 : 18,826.85 = 10,734.21 : x
  2. Step 2: Convert to fraction form
    12,609.56/18,826.85 = 10,734.21/x
  3. Step 3: Cross multiply
    12,609.56x = 18,826.85 × 10,734.21
  4. Step 4: Simplify right side
    12,609.56x = 202,091,307.87
  5. Step 5: Solve for x
    x = 202,091,307.87/12,609.56
  6. Step 6: Final answer
    x = 16,026.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.