Home / 19,229.12-26,521.26-12,152.96

Finding the Fourth Proportional to 19,229.12, 26,521.26 and 12,152.96

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Solution

The fourth proportional to 19,229.12, 26,521.26 and 12,152.96 is: 16,761.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,229.12 : 26,521.26 = 12,152.96 : x
  2. Step 2: Convert to fraction form
    19,229.12/26,521.26 = 12,152.96/x
  3. Step 3: Cross multiply
    19,229.12x = 26,521.26 × 12,152.96
  4. Step 4: Simplify right side
    19,229.12x = 322,311,811.93
  5. Step 5: Solve for x
    x = 322,311,811.93/19,229.12
  6. Step 6: Final answer
    x = 16,761.65

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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.