Home / 15,885.12-23,823.81-5,352.42

Finding the Fourth Proportional to 15,885.12, 23,823.81 and 5,352.42

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Solution

The fourth proportional to 15,885.12, 23,823.81 and 5,352.42 is: 8,027.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,885.12 : 23,823.81 = 5,352.42 : x
  2. Step 2: Convert to fraction form
    15,885.12/23,823.81 = 5,352.42/x
  3. Step 3: Cross multiply
    15,885.12x = 23,823.81 × 5,352.42
  4. Step 4: Simplify right side
    15,885.12x = 127,515,037.12
  5. Step 5: Solve for x
    x = 127,515,037.12/15,885.12
  6. Step 6: Final answer
    x = 8,027.33

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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.