Home / 17,557.70-26,297.60-12,612.51

Finding the Fourth Proportional to 17,557.70, 26,297.60 and 12,612.51

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Solution

The fourth proportional to 17,557.70, 26,297.60 and 12,612.51 is: 18,890.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,557.70 : 26,297.60 = 12,612.51 : x
  2. Step 2: Convert to fraction form
    17,557.70/26,297.60 = 12,612.51/x
  3. Step 3: Cross multiply
    17,557.70x = 26,297.60 × 12,612.51
  4. Step 4: Simplify right side
    17,557.70x = 331,678,679.91
  5. Step 5: Solve for x
    x = 331,678,679.91/17,557.70
  6. Step 6: Final answer
    x = 18,890.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.