Home / 20,061.21-27,681.21-11,563.68

Finding the Fourth Proportional to 20,061.21, 27,681.21 and 11,563.68

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Solution

The fourth proportional to 20,061.21, 27,681.21 and 11,563.68 is: 15,956.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,061.21 : 27,681.21 = 11,563.68 : x
  2. Step 2: Convert to fraction form
    20,061.21/27,681.21 = 11,563.68/x
  3. Step 3: Cross multiply
    20,061.21x = 27,681.21 × 11,563.68
  4. Step 4: Simplify right side
    20,061.21x = 320,096,654.45
  5. Step 5: Solve for x
    x = 320,096,654.45/20,061.21
  6. Step 6: Final answer
    x = 15,956.00

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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.