Home / 14,118.32-19,482.57-8,149.64

Finding the Fourth Proportional to 14,118.32, 19,482.57 and 8,149.64

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Solution

The fourth proportional to 14,118.32, 19,482.57 and 8,149.64 is: 11,246.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,118.32 : 19,482.57 = 8,149.64 : x
  2. Step 2: Convert to fraction form
    14,118.32/19,482.57 = 8,149.64/x
  3. Step 3: Cross multiply
    14,118.32x = 19,482.57 × 8,149.64
  4. Step 4: Simplify right side
    14,118.32x = 158,775,834.36
  5. Step 5: Solve for x
    x = 158,775,834.36/14,118.32
  6. Step 6: Final answer
    x = 11,246.09

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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.