Home / 19,163.05-26,444.97-10,779.55

Finding the Fourth Proportional to 19,163.05, 26,444.97 and 10,779.55

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Solution

The fourth proportional to 19,163.05, 26,444.97 and 10,779.55 is: 14,875.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163.05 : 26,444.97 = 10,779.55 : x
  2. Step 2: Convert to fraction form
    19,163.05/26,444.97 = 10,779.55/x
  3. Step 3: Cross multiply
    19,163.05x = 26,444.97 × 10,779.55
  4. Step 4: Simplify right side
    19,163.05x = 285,064,876.36
  5. Step 5: Solve for x
    x = 285,064,876.36/19,163.05
  6. Step 6: Final answer
    x = 14,875.76

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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.