Home / 19,885.65-27,443.96-10,934.75

Finding the Fourth Proportional to 19,885.65, 27,443.96 and 10,934.75

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Solution

The fourth proportional to 19,885.65, 27,443.96 and 10,934.75 is: 15,090.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885.65 : 27,443.96 = 10,934.75 : x
  2. Step 2: Convert to fraction form
    19,885.65/27,443.96 = 10,934.75/x
  3. Step 3: Cross multiply
    19,885.65x = 27,443.96 × 10,934.75
  4. Step 4: Simplify right side
    19,885.65x = 300,092,649.72
  5. Step 5: Solve for x
    x = 300,092,649.72/19,885.65
  6. Step 6: Final answer
    x = 15,090.91

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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.