Home / 15,729.36-23,589.40-4,635.80

Finding the Fourth Proportional to 15,729.36, 23,589.40 and 4,635.80

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Solution

The fourth proportional to 15,729.36, 23,589.40 and 4,635.80 is: 6,952.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,729.36 : 23,589.40 = 4,635.80 : x
  2. Step 2: Convert to fraction form
    15,729.36/23,589.40 = 4,635.80/x
  3. Step 3: Cross multiply
    15,729.36x = 23,589.40 × 4,635.80
  4. Step 4: Simplify right side
    15,729.36x = 109,355,740.52
  5. Step 5: Solve for x
    x = 109,355,740.52/15,729.36
  6. Step 6: Final answer
    x = 6,952.33

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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.