Home / 21,649.01-32,447.03-12,296.88

Finding the Fourth Proportional to 21,649.01, 32,447.03 and 12,296.88

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Solution

The fourth proportional to 21,649.01, 32,447.03 and 12,296.88 is: 18,430.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,649.01 : 32,447.03 = 12,296.88 : x
  2. Step 2: Convert to fraction form
    21,649.01/32,447.03 = 12,296.88/x
  3. Step 3: Cross multiply
    21,649.01x = 32,447.03 × 12,296.88
  4. Step 4: Simplify right side
    21,649.01x = 398,997,172.78
  5. Step 5: Solve for x
    x = 398,997,172.78/21,649.01
  6. Step 6: Final answer
    x = 18,430.28

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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.