Home / 15,765.99-23,647.16-4,078.29

Finding the Fourth Proportional to 15,765.99, 23,647.16 and 4,078.29

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Solution

The fourth proportional to 15,765.99, 23,647.16 and 4,078.29 is: 6,116.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,765.99 : 23,647.16 = 4,078.29 : x
  2. Step 2: Convert to fraction form
    15,765.99/23,647.16 = 4,078.29/x
  3. Step 3: Cross multiply
    15,765.99x = 23,647.16 × 4,078.29
  4. Step 4: Simplify right side
    15,765.99x = 96,439,955.76
  5. Step 5: Solve for x
    x = 96,439,955.76/15,765.99
  6. Step 6: Final answer
    x = 6,116.96

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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.