Home / 14,482.03-19,986-8,108.26

Finding the Fourth Proportional to 14,482.03, 19,986 and 8,108.26

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Solution

The fourth proportional to 14,482.03, 19,986 and 8,108.26 is: 11,189.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,482.03 : 19,986 = 8,108.26 : x
  2. Step 2: Convert to fraction form
    14,482.03/19,986 = 8,108.26/x
  3. Step 3: Cross multiply
    14,482.03x = 19,986 × 8,108.26
  4. Step 4: Simplify right side
    14,482.03x = 162,051,684.36
  5. Step 5: Solve for x
    x = 162,051,684.36/14,482.03
  6. Step 6: Final answer
    x = 11,189.85

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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.