Home / 21,724.88-32,514.98-16,430.72

Finding the Fourth Proportional to 21,724.88, 32,514.98 and 16,430.72

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Solution

The fourth proportional to 21,724.88, 32,514.98 and 16,430.72 is: 24,591.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,724.88 : 32,514.98 = 16,430.72 : x
  2. Step 2: Convert to fraction form
    21,724.88/32,514.98 = 16,430.72/x
  3. Step 3: Cross multiply
    21,724.88x = 32,514.98 × 16,430.72
  4. Step 4: Simplify right side
    21,724.88x = 534,244,287.46
  5. Step 5: Solve for x
    x = 534,244,287.46/21,724.88
  6. Step 6: Final answer
    x = 24,591.36

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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.