Home / 16,996.01-23,457.03-12,231.72

Finding the Fourth Proportional to 16,996.01, 23,457.03 and 12,231.72

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Solution

The fourth proportional to 16,996.01, 23,457.03 and 12,231.72 is: 16,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,996.01 : 23,457.03 = 12,231.72 : x
  2. Step 2: Convert to fraction form
    16,996.01/23,457.03 = 12,231.72/x
  3. Step 3: Cross multiply
    16,996.01x = 23,457.03 × 12,231.72
  4. Step 4: Simplify right side
    16,996.01x = 286,919,822.99
  5. Step 5: Solve for x
    x = 286,919,822.99/16,996.01
  6. Step 6: Final answer
    x = 16,881.60

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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.