Home / 19,733.11-27,231.58-10,781.12

Finding the Fourth Proportional to 19,733.11, 27,231.58 and 10,781.12

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Solution

The fourth proportional to 19,733.11, 27,231.58 and 10,781.12 is: 14,877.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,733.11 : 27,231.58 = 10,781.12 : x
  2. Step 2: Convert to fraction form
    19,733.11/27,231.58 = 10,781.12/x
  3. Step 3: Cross multiply
    19,733.11x = 27,231.58 × 10,781.12
  4. Step 4: Simplify right side
    19,733.11x = 293,586,931.77
  5. Step 5: Solve for x
    x = 293,586,931.77/19,733.11
  6. Step 6: Final answer
    x = 14,877.88

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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.