Home / 18,312.06-27,481.30-14,162.16

Finding the Fourth Proportional to 18,312.06, 27,481.30 and 14,162.16

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Solution

The fourth proportional to 18,312.06, 27,481.30 and 14,162.16 is: 21,253.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,312.06 : 27,481.30 = 14,162.16 : x
  2. Step 2: Convert to fraction form
    18,312.06/27,481.30 = 14,162.16/x
  3. Step 3: Cross multiply
    18,312.06x = 27,481.30 × 14,162.16
  4. Step 4: Simplify right side
    18,312.06x = 389,194,567.61
  5. Step 5: Solve for x
    x = 389,194,567.61/18,312.06
  6. Step 6: Final answer
    x = 21,253.46

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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.