Home / 14,515.67-21,782.42-11,536.49

Finding the Fourth Proportional to 14,515.67, 21,782.42 and 11,536.49

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Solution

The fourth proportional to 14,515.67, 21,782.42 and 11,536.49 is: 17,311.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.67 : 21,782.42 = 11,536.49 : x
  2. Step 2: Convert to fraction form
    14,515.67/21,782.42 = 11,536.49/x
  3. Step 3: Cross multiply
    14,515.67x = 21,782.42 × 11,536.49
  4. Step 4: Simplify right side
    14,515.67x = 251,292,670.51
  5. Step 5: Solve for x
    x = 251,292,670.51/14,515.67
  6. Step 6: Final answer
    x = 17,311.82

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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.