Home / 20,266.81-27,954.11-18,593.75

Finding the Fourth Proportional to 20,266.81, 27,954.11 and 18,593.75

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Solution

The fourth proportional to 20,266.81, 27,954.11 and 18,593.75 is: 25,646.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,266.81 : 27,954.11 = 18,593.75 : x
  2. Step 2: Convert to fraction form
    20,266.81/27,954.11 = 18,593.75/x
  3. Step 3: Cross multiply
    20,266.81x = 27,954.11 × 18,593.75
  4. Step 4: Simplify right side
    20,266.81x = 519,771,849.18
  5. Step 5: Solve for x
    x = 519,771,849.18/20,266.81
  6. Step 6: Final answer
    x = 25,646.46

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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.