Home / 16,867.30-25,281.24-12,693.94

Finding the Fourth Proportional to 16,867.30, 25,281.24 and 12,693.94

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Solution

The fourth proportional to 16,867.30, 25,281.24 and 12,693.94 is: 19,026.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,867.30 : 25,281.24 = 12,693.94 : x
  2. Step 2: Convert to fraction form
    16,867.30/25,281.24 = 12,693.94/x
  3. Step 3: Cross multiply
    16,867.30x = 25,281.24 × 12,693.94
  4. Step 4: Simplify right side
    16,867.30x = 320,918,543.69
  5. Step 5: Solve for x
    x = 320,918,543.69/16,867.30
  6. Step 6: Final answer
    x = 19,026.08

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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.