Home / 19,690.64-27,173.30-10,738.11

Finding the Fourth Proportional to 19,690.64, 27,173.30 and 10,738.11

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Solution

The fourth proportional to 19,690.64, 27,173.30 and 10,738.11 is: 14,818.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690.64 : 27,173.30 = 10,738.11 : x
  2. Step 2: Convert to fraction form
    19,690.64/27,173.30 = 10,738.11/x
  3. Step 3: Cross multiply
    19,690.64x = 27,173.30 × 10,738.11
  4. Step 4: Simplify right side
    19,690.64x = 291,789,830.77
  5. Step 5: Solve for x
    x = 291,789,830.77/19,690.64
  6. Step 6: Final answer
    x = 14,818.71

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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.