Home / 19,690.70-27,173.30-10,738.13

Finding the Fourth Proportional to 19,690.70, 27,173.30 and 10,738.13

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Solution

The fourth proportional to 19,690.70, 27,173.30 and 10,738.13 is: 14,818.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690.70 : 27,173.30 = 10,738.13 : x
  2. Step 2: Convert to fraction form
    19,690.70/27,173.30 = 10,738.13/x
  3. Step 3: Cross multiply
    19,690.70x = 27,173.30 × 10,738.13
  4. Step 4: Simplify right side
    19,690.70x = 291,790,238.37
  5. Step 5: Solve for x
    x = 291,790,238.37/19,690.70
  6. Step 6: Final answer
    x = 14,818.69

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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.