Home / 19,926.42-27,521.22-13,542.36

Finding the Fourth Proportional to 19,926.42, 27,521.22 and 13,542.36

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Solution

The fourth proportional to 19,926.42, 27,521.22 and 13,542.36 is: 18,703.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,926.42 : 27,521.22 = 13,542.36 : x
  2. Step 2: Convert to fraction form
    19,926.42/27,521.22 = 13,542.36/x
  3. Step 3: Cross multiply
    19,926.42x = 27,521.22 × 13,542.36
  4. Step 4: Simplify right side
    19,926.42x = 372,702,268.88
  5. Step 5: Solve for x
    x = 372,702,268.88/19,926.42
  6. Step 6: Final answer
    x = 18,703.93

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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.