Home / 21,542.72-32,314.40-14,194.24

Finding the Fourth Proportional to 21,542.72, 32,314.40 and 14,194.24

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Solution

The fourth proportional to 21,542.72, 32,314.40 and 14,194.24 is: 21,291.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,542.72 : 32,314.40 = 14,194.24 : x
  2. Step 2: Convert to fraction form
    21,542.72/32,314.40 = 14,194.24/x
  3. Step 3: Cross multiply
    21,542.72x = 32,314.40 × 14,194.24
  4. Step 4: Simplify right side
    21,542.72x = 458,678,349.06
  5. Step 5: Solve for x
    x = 458,678,349.06/21,542.72
  6. Step 6: Final answer
    x = 21,291.57

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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.