Home / 29,221.56-40,326.72-16,647.12

Finding the Fourth Proportional to 29,221.56, 40,326.72 and 16,647.12

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Solution

The fourth proportional to 29,221.56, 40,326.72 and 16,647.12 is: 22,973.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,221.56 : 40,326.72 = 16,647.12 : x
  2. Step 2: Convert to fraction form
    29,221.56/40,326.72 = 16,647.12/x
  3. Step 3: Cross multiply
    29,221.56x = 40,326.72 × 16,647.12
  4. Step 4: Simplify right side
    29,221.56x = 671,323,747.05
  5. Step 5: Solve for x
    x = 671,323,747.05/29,221.56
  6. Step 6: Final answer
    x = 22,973.58

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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.