Home / 19,465.96-26,874.94-12,666.44

Finding the Fourth Proportional to 19,465.96, 26,874.94 and 12,666.44

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Solution

The fourth proportional to 19,465.96, 26,874.94 and 12,666.44 is: 17,487.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,465.96 : 26,874.94 = 12,666.44 : x
  2. Step 2: Convert to fraction form
    19,465.96/26,874.94 = 12,666.44/x
  3. Step 3: Cross multiply
    19,465.96x = 26,874.94 × 12,666.44
  4. Step 4: Simplify right side
    19,465.96x = 340,409,815.01
  5. Step 5: Solve for x
    x = 340,409,815.01/19,465.96
  6. Step 6: Final answer
    x = 17,487.44

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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.