Home / 19,536.63-29,270.93-11,728.23

Finding the Fourth Proportional to 19,536.63, 29,270.93 and 11,728.23

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Solution

The fourth proportional to 19,536.63, 29,270.93 and 11,728.23 is: 17,571.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,536.63 : 29,270.93 = 11,728.23 : x
  2. Step 2: Convert to fraction form
    19,536.63/29,270.93 = 11,728.23/x
  3. Step 3: Cross multiply
    19,536.63x = 29,270.93 × 11,728.23
  4. Step 4: Simplify right side
    19,536.63x = 343,296,140.71
  5. Step 5: Solve for x
    x = 343,296,140.71/19,536.63
  6. Step 6: Final answer
    x = 17,571.92

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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.