Home / 14,191.22-19,564.80-9,936.56

Finding the Fourth Proportional to 14,191.22, 19,564.80 and 9,936.56

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Solution

The fourth proportional to 14,191.22, 19,564.80 and 9,936.56 is: 13,699.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.22 : 19,564.80 = 9,936.56 : x
  2. Step 2: Convert to fraction form
    14,191.22/19,564.80 = 9,936.56/x
  3. Step 3: Cross multiply
    14,191.22x = 19,564.80 × 9,936.56
  4. Step 4: Simplify right side
    14,191.22x = 194,406,809.09
  5. Step 5: Solve for x
    x = 194,406,809.09/14,191.22
  6. Step 6: Final answer
    x = 13,699.09

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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.