Home / 19,818.09-27,354.14-12,260.03

Finding the Fourth Proportional to 19,818.09, 27,354.14 and 12,260.03

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Solution

The fourth proportional to 19,818.09, 27,354.14 and 12,260.03 is: 16,922.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.09 : 27,354.14 = 12,260.03 : x
  2. Step 2: Convert to fraction form
    19,818.09/27,354.14 = 12,260.03/x
  3. Step 3: Cross multiply
    19,818.09x = 27,354.14 × 12,260.03
  4. Step 4: Simplify right side
    19,818.09x = 335,362,378.95
  5. Step 5: Solve for x
    x = 335,362,378.95/19,818.09
  6. Step 6: Final answer
    x = 16,922.03

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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.