Home / 17,742.72-24,495.30-11,782.56

Finding the Fourth Proportional to 17,742.72, 24,495.30 and 11,782.56

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Solution

The fourth proportional to 17,742.72, 24,495.30 and 11,782.56 is: 16,266.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,742.72 : 24,495.30 = 11,782.56 : x
  2. Step 2: Convert to fraction form
    17,742.72/24,495.30 = 11,782.56/x
  3. Step 3: Cross multiply
    17,742.72x = 24,495.30 × 11,782.56
  4. Step 4: Simplify right side
    17,742.72x = 288,617,341.97
  5. Step 5: Solve for x
    x = 288,617,341.97/17,742.72
  6. Step 6: Final answer
    x = 16,266.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.