Home / 15,773.49-23,674.82-7,987.77

Finding the Fourth Proportional to 15,773.49, 23,674.82 and 7,987.77

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Solution

The fourth proportional to 15,773.49, 23,674.82 and 7,987.77 is: 11,989.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,773.49 : 23,674.82 = 7,987.77 : x
  2. Step 2: Convert to fraction form
    15,773.49/23,674.82 = 7,987.77/x
  3. Step 3: Cross multiply
    15,773.49x = 23,674.82 × 7,987.77
  4. Step 4: Simplify right side
    15,773.49x = 189,108,977.01
  5. Step 5: Solve for x
    x = 189,108,977.01/15,773.49
  6. Step 6: Final answer
    x = 11,989.04

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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.