Home / 19,063.22-26,329.32-12,678.76

Finding the Fourth Proportional to 19,063.22, 26,329.32 and 12,678.76

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Solution

The fourth proportional to 19,063.22, 26,329.32 and 12,678.76 is: 17,511.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,063.22 : 26,329.32 = 12,678.76 : x
  2. Step 2: Convert to fraction form
    19,063.22/26,329.32 = 12,678.76/x
  3. Step 3: Cross multiply
    19,063.22x = 26,329.32 × 12,678.76
  4. Step 4: Simplify right side
    19,063.22x = 333,823,129.24
  5. Step 5: Solve for x
    x = 333,823,129.24/19,063.22
  6. Step 6: Final answer
    x = 17,511.37

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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.