Home / 20,559.16-28,371.55-11,606.56

Finding the Fourth Proportional to 20,559.16, 28,371.55 and 11,606.56

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Solution

The fourth proportional to 20,559.16, 28,371.55 and 11,606.56 is: 16,017.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,559.16 : 28,371.55 = 11,606.56 : x
  2. Step 2: Convert to fraction form
    20,559.16/28,371.55 = 11,606.56/x
  3. Step 3: Cross multiply
    20,559.16x = 28,371.55 × 11,606.56
  4. Step 4: Simplify right side
    20,559.16x = 329,295,926.49
  5. Step 5: Solve for x
    x = 329,295,926.49/20,559.16
  6. Step 6: Final answer
    x = 16,017.00

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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.