Home / 19,199.70-26,500.23-12,826.62

Finding the Fourth Proportional to 19,199.70, 26,500.23 and 12,826.62

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Solution

The fourth proportional to 19,199.70, 26,500.23 and 12,826.62 is: 17,703.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,199.70 : 26,500.23 = 12,826.62 : x
  2. Step 2: Convert to fraction form
    19,199.70/26,500.23 = 12,826.62/x
  3. Step 3: Cross multiply
    19,199.70x = 26,500.23 × 12,826.62
  4. Step 4: Simplify right side
    19,199.70x = 339,908,380.12
  5. Step 5: Solve for x
    x = 339,908,380.12/19,199.70
  6. Step 6: Final answer
    x = 17,703.84

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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.