Home / 14,577.12-21,866.40-4,189.68

Finding the Fourth Proportional to 14,577.12, 21,866.40 and 4,189.68

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Solution

The fourth proportional to 14,577.12, 21,866.40 and 4,189.68 is: 6,284.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,577.12 : 21,866.40 = 4,189.68 : x
  2. Step 2: Convert to fraction form
    14,577.12/21,866.40 = 4,189.68/x
  3. Step 3: Cross multiply
    14,577.12x = 21,866.40 × 4,189.68
  4. Step 4: Simplify right side
    14,577.12x = 91,613,218.75
  5. Step 5: Solve for x
    x = 91,613,218.75/14,577.12
  6. Step 6: Final answer
    x = 6,284.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.