Home / 21,609.55-29,814.96-14,066.98

Finding the Fourth Proportional to 21,609.55, 29,814.96 and 14,066.98

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Solution

The fourth proportional to 21,609.55, 29,814.96 and 14,066.98 is: 19,408.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,609.55 : 29,814.96 = 14,066.98 : x
  2. Step 2: Convert to fraction form
    21,609.55/29,814.96 = 14,066.98/x
  3. Step 3: Cross multiply
    21,609.55x = 29,814.96 × 14,066.98
  4. Step 4: Simplify right side
    21,609.55x = 419,406,446.02
  5. Step 5: Solve for x
    x = 419,406,446.02/21,609.55
  6. Step 6: Final answer
    x = 19,408.38

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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.