Home / 19,326.12-29,142.95-19,062.66

Finding the Fourth Proportional to 19,326.12, 29,142.95 and 19,062.66

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Solution

The fourth proportional to 19,326.12, 29,142.95 and 19,062.66 is: 28,745.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.12 : 29,142.95 = 19,062.66 : x
  2. Step 2: Convert to fraction form
    19,326.12/29,142.95 = 19,062.66/x
  3. Step 3: Cross multiply
    19,326.12x = 29,142.95 × 19,062.66
  4. Step 4: Simplify right side
    19,326.12x = 555,542,051.93
  5. Step 5: Solve for x
    x = 555,542,051.93/19,326.12
  6. Step 6: Final answer
    x = 28,745.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.