Home / 13,900.77-19,213.06-12,296.07

Finding the Fourth Proportional to 13,900.77, 19,213.06 and 12,296.07

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Solution

The fourth proportional to 13,900.77, 19,213.06 and 12,296.07 is: 16,995.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900.77 : 19,213.06 = 12,296.07 : x
  2. Step 2: Convert to fraction form
    13,900.77/19,213.06 = 12,296.07/x
  3. Step 3: Cross multiply
    13,900.77x = 19,213.06 × 12,296.07
  4. Step 4: Simplify right side
    13,900.77x = 236,245,130.67
  5. Step 5: Solve for x
    x = 236,245,130.67/13,900.77
  6. Step 6: Final answer
    x = 16,995.11

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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.