Home / 19,345.37-26,685.28-12,163.91

Finding the Fourth Proportional to 19,345.37, 26,685.28 and 12,163.91

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Solution

The fourth proportional to 19,345.37, 26,685.28 and 12,163.91 is: 16,779.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345.37 : 26,685.28 = 12,163.91 : x
  2. Step 2: Convert to fraction form
    19,345.37/26,685.28 = 12,163.91/x
  3. Step 3: Cross multiply
    19,345.37x = 26,685.28 × 12,163.91
  4. Step 4: Simplify right side
    19,345.37x = 324,597,194.83
  5. Step 5: Solve for x
    x = 324,597,194.83/19,345.37
  6. Step 6: Final answer
    x = 16,779.06

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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.