Home / 19,309.40-26,648.01-11,754.53

Finding the Fourth Proportional to 19,309.40, 26,648.01 and 11,754.53

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Solution

The fourth proportional to 19,309.40, 26,648.01 and 11,754.53 is: 16,221.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309.40 : 26,648.01 = 11,754.53 : x
  2. Step 2: Convert to fraction form
    19,309.40/26,648.01 = 11,754.53/x
  3. Step 3: Cross multiply
    19,309.40x = 26,648.01 × 11,754.53
  4. Step 4: Simplify right side
    19,309.40x = 313,234,832.99
  5. Step 5: Solve for x
    x = 313,234,832.99/19,309.40
  6. Step 6: Final answer
    x = 16,221.88

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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.