Home / 15,786.64-23,679.75-4,542.27

Finding the Fourth Proportional to 15,786.64, 23,679.75 and 4,542.27

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Solution

The fourth proportional to 15,786.64, 23,679.75 and 4,542.27 is: 6,813.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,786.64 : 23,679.75 = 4,542.27 : x
  2. Step 2: Convert to fraction form
    15,786.64/23,679.75 = 4,542.27/x
  3. Step 3: Cross multiply
    15,786.64x = 23,679.75 × 4,542.27
  4. Step 4: Simplify right side
    15,786.64x = 107,559,818.03
  5. Step 5: Solve for x
    x = 107,559,818.03/15,786.64
  6. Step 6: Final answer
    x = 6,813.35

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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.