Home / 19,161.41-28,758.51-10,849.59

Finding the Fourth Proportional to 19,161.41, 28,758.51 and 10,849.59

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Solution

The fourth proportional to 19,161.41, 28,758.51 and 10,849.59 is: 16,283.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161.41 : 28,758.51 = 10,849.59 : x
  2. Step 2: Convert to fraction form
    19,161.41/28,758.51 = 10,849.59/x
  3. Step 3: Cross multiply
    19,161.41x = 28,758.51 × 10,849.59
  4. Step 4: Simplify right side
    19,161.41x = 312,018,042.51
  5. Step 5: Solve for x
    x = 312,018,042.51/19,161.41
  6. Step 6: Final answer
    x = 16,283.67

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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.