Home / 13,356.54-20,030.76-4,589.46

Finding the Fourth Proportional to 13,356.54, 20,030.76 and 4,589.46

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Solution

The fourth proportional to 13,356.54, 20,030.76 and 4,589.46 is: 6,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356.54 : 20,030.76 = 4,589.46 : x
  2. Step 2: Convert to fraction form
    13,356.54/20,030.76 = 4,589.46/x
  3. Step 3: Cross multiply
    13,356.54x = 20,030.76 × 4,589.46
  4. Step 4: Simplify right side
    13,356.54x = 91,930,371.79
  5. Step 5: Solve for x
    x = 91,930,371.79/13,356.54
  6. Step 6: Final answer
    x = 6,882.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.