Home / 23,215.77-34,789.51-13,718.33

Finding the Fourth Proportional to 23,215.77, 34,789.51 and 13,718.33

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Solution

The fourth proportional to 23,215.77, 34,789.51 and 13,718.33 is: 20,557.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,215.77 : 34,789.51 = 13,718.33 : x
  2. Step 2: Convert to fraction form
    23,215.77/34,789.51 = 13,718.33/x
  3. Step 3: Cross multiply
    23,215.77x = 34,789.51 × 13,718.33
  4. Step 4: Simplify right side
    23,215.77x = 477,253,893.12
  5. Step 5: Solve for x
    x = 477,253,893.12/23,215.77
  6. Step 6: Final answer
    x = 20,557.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.