Home / 19,847.10-27,390.29-13,876.59

Finding the Fourth Proportional to 19,847.10, 27,390.29 and 13,876.59

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Solution

The fourth proportional to 19,847.10, 27,390.29 and 13,876.59 is: 19,150.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,847.10 : 27,390.29 = 13,876.59 : x
  2. Step 2: Convert to fraction form
    19,847.10/27,390.29 = 13,876.59/x
  3. Step 3: Cross multiply
    19,847.10x = 27,390.29 × 13,876.59
  4. Step 4: Simplify right side
    19,847.10x = 380,083,824.31
  5. Step 5: Solve for x
    x = 380,083,824.31/19,847.10
  6. Step 6: Final answer
    x = 19,150.60

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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.