Home / 19,921.53-29,736.55-17,556.98

Finding the Fourth Proportional to 19,921.53, 29,736.55 and 17,556.98

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Solution

The fourth proportional to 19,921.53, 29,736.55 and 17,556.98 is: 26,207.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,921.53 : 29,736.55 = 17,556.98 : x
  2. Step 2: Convert to fraction form
    19,921.53/29,736.55 = 17,556.98/x
  3. Step 3: Cross multiply
    19,921.53x = 29,736.55 × 17,556.98
  4. Step 4: Simplify right side
    19,921.53x = 522,083,899.64
  5. Step 5: Solve for x
    x = 522,083,899.64/19,921.53
  6. Step 6: Final answer
    x = 26,207.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.