Home / 19,580.45-27,021.15-11,082.56

Finding the Fourth Proportional to 19,580.45, 27,021.15 and 11,082.56

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Solution

The fourth proportional to 19,580.45, 27,021.15 and 11,082.56 is: 15,294.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580.45 : 27,021.15 = 11,082.56 : x
  2. Step 2: Convert to fraction form
    19,580.45/27,021.15 = 11,082.56/x
  3. Step 3: Cross multiply
    19,580.45x = 27,021.15 × 11,082.56
  4. Step 4: Simplify right side
    19,580.45x = 299,463,381.04
  5. Step 5: Solve for x
    x = 299,463,381.04/19,580.45
  6. Step 6: Final answer
    x = 15,294.00

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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.