Home / 14,163.48-19,553.61-10,779.72

Finding the Fourth Proportional to 14,163.48, 19,553.61 and 10,779.72

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Solution

The fourth proportional to 14,163.48, 19,553.61 and 10,779.72 is: 14,882.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163.48 : 19,553.61 = 10,779.72 : x
  2. Step 2: Convert to fraction form
    14,163.48/19,553.61 = 10,779.72/x
  3. Step 3: Cross multiply
    14,163.48x = 19,553.61 × 10,779.72
  4. Step 4: Simplify right side
    14,163.48x = 210,782,440.79
  5. Step 5: Solve for x
    x = 210,782,440.79/14,163.48
  6. Step 6: Final answer
    x = 14,882.11

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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.