Home / 19,435.86-29,168.20-14,449.77

Finding the Fourth Proportional to 19,435.86, 29,168.20 and 14,449.77

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Solution

The fourth proportional to 19,435.86, 29,168.20 and 14,449.77 is: 21,685.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,435.86 : 29,168.20 = 14,449.77 : x
  2. Step 2: Convert to fraction form
    19,435.86/29,168.20 = 14,449.77/x
  3. Step 3: Cross multiply
    19,435.86x = 29,168.20 × 14,449.77
  4. Step 4: Simplify right side
    19,435.86x = 421,473,781.31
  5. Step 5: Solve for x
    x = 421,473,781.31/19,435.86
  6. Step 6: Final answer
    x = 21,685.37

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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.