Home / 18,919.85-26,099.48-14,435.82

Finding the Fourth Proportional to 18,919.85, 26,099.48 and 14,435.82

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Solution

The fourth proportional to 18,919.85, 26,099.48 and 14,435.82 is: 19,913.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,919.85 : 26,099.48 = 14,435.82 : x
  2. Step 2: Convert to fraction form
    18,919.85/26,099.48 = 14,435.82/x
  3. Step 3: Cross multiply
    18,919.85x = 26,099.48 × 14,435.82
  4. Step 4: Simplify right side
    18,919.85x = 376,767,323.19
  5. Step 5: Solve for x
    x = 376,767,323.19/18,919.85
  6. Step 6: Final answer
    x = 19,913.87

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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.