Home / 19,451.86-26,818.62-14,919.64

Finding the Fourth Proportional to 19,451.86, 26,818.62 and 14,919.64

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Solution

The fourth proportional to 19,451.86, 26,818.62 and 14,919.64 is: 20,569.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,451.86 : 26,818.62 = 14,919.64 : x
  2. Step 2: Convert to fraction form
    19,451.86/26,818.62 = 14,919.64/x
  3. Step 3: Cross multiply
    19,451.86x = 26,818.62 × 14,919.64
  4. Step 4: Simplify right side
    19,451.86x = 400,124,155.70
  5. Step 5: Solve for x
    x = 400,124,155.70/19,451.86
  6. Step 6: Final answer
    x = 20,569.97

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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.