Home / 19,555.85-27,004.66-12,494.59

Finding the Fourth Proportional to 19,555.85, 27,004.66 and 12,494.59

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Solution

The fourth proportional to 19,555.85, 27,004.66 and 12,494.59 is: 17,253.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,555.85 : 27,004.66 = 12,494.59 : x
  2. Step 2: Convert to fraction form
    19,555.85/27,004.66 = 12,494.59/x
  3. Step 3: Cross multiply
    19,555.85x = 27,004.66 × 12,494.59
  4. Step 4: Simplify right side
    19,555.85x = 337,412,056.04
  5. Step 5: Solve for x
    x = 337,412,056.04/19,555.85
  6. Step 6: Final answer
    x = 17,253.76

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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.