Home / 19,253.35-26,555.41-12,172.94

Finding the Fourth Proportional to 19,253.35, 26,555.41 and 12,172.94

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Solution

The fourth proportional to 19,253.35, 26,555.41 and 12,172.94 is: 16,789.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,253.35 : 26,555.41 = 12,172.94 : x
  2. Step 2: Convert to fraction form
    19,253.35/26,555.41 = 12,172.94/x
  3. Step 3: Cross multiply
    19,253.35x = 26,555.41 × 12,172.94
  4. Step 4: Simplify right side
    19,253.35x = 323,257,412.61
  5. Step 5: Solve for x
    x = 323,257,412.61/19,253.35
  6. Step 6: Final answer
    x = 16,789.67

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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.