Home / 19,519.16-29,254.22-8,412.86

Finding the Fourth Proportional to 19,519.16, 29,254.22 and 8,412.86

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Solution

The fourth proportional to 19,519.16, 29,254.22 and 8,412.86 is: 12,608.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,519.16 : 29,254.22 = 8,412.86 : x
  2. Step 2: Convert to fraction form
    19,519.16/29,254.22 = 8,412.86/x
  3. Step 3: Cross multiply
    19,519.16x = 29,254.22 × 8,412.86
  4. Step 4: Simplify right side
    19,519.16x = 246,111,657.27
  5. Step 5: Solve for x
    x = 246,111,657.27/19,519.16
  6. Step 6: Final answer
    x = 12,608.72

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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.