Home / 12,731.99-19,060.92-9,459.59

Finding the Fourth Proportional to 12,731.99, 19,060.92 and 9,459.59

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Solution

The fourth proportional to 12,731.99, 19,060.92 and 9,459.59 is: 14,161.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731.99 : 19,060.92 = 9,459.59 : x
  2. Step 2: Convert to fraction form
    12,731.99/19,060.92 = 9,459.59/x
  3. Step 3: Cross multiply
    12,731.99x = 19,060.92 × 9,459.59
  4. Step 4: Simplify right side
    12,731.99x = 180,308,392.92
  5. Step 5: Solve for x
    x = 180,308,392.92/12,731.99
  6. Step 6: Final answer
    x = 14,161.84

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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.