Home / 19,118.86-26,379.75-10,734.82

Finding the Fourth Proportional to 19,118.86, 26,379.75 and 10,734.82

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Solution

The fourth proportional to 19,118.86, 26,379.75 and 10,734.82 is: 14,811.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118.86 : 26,379.75 = 10,734.82 : x
  2. Step 2: Convert to fraction form
    19,118.86/26,379.75 = 10,734.82/x
  3. Step 3: Cross multiply
    19,118.86x = 26,379.75 × 10,734.82
  4. Step 4: Simplify right side
    19,118.86x = 283,181,867.90
  5. Step 5: Solve for x
    x = 283,181,867.90/19,118.86
  6. Step 6: Final answer
    x = 14,811.65

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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.