Home / 15,759.12-23,647.88-5,905.32

Finding the Fourth Proportional to 15,759.12, 23,647.88 and 5,905.32

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Solution

The fourth proportional to 15,759.12, 23,647.88 and 5,905.32 is: 8,861.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,759.12 : 23,647.88 = 5,905.32 : x
  2. Step 2: Convert to fraction form
    15,759.12/23,647.88 = 5,905.32/x
  3. Step 3: Cross multiply
    15,759.12x = 23,647.88 × 5,905.32
  4. Step 4: Simplify right side
    15,759.12x = 139,648,298.72
  5. Step 5: Solve for x
    x = 139,648,298.72/15,759.12
  6. Step 6: Final answer
    x = 8,861.43

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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.