Home / 19,540.40-26,965.86-10,587.91

Finding the Fourth Proportional to 19,540.40, 26,965.86 and 10,587.91

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Solution

The fourth proportional to 19,540.40, 26,965.86 and 10,587.91 is: 14,611.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.40 : 26,965.86 = 10,587.91 : x
  2. Step 2: Convert to fraction form
    19,540.40/26,965.86 = 10,587.91/x
  3. Step 3: Cross multiply
    19,540.40x = 26,965.86 × 10,587.91
  4. Step 4: Simplify right side
    19,540.40x = 285,512,098.75
  5. Step 5: Solve for x
    x = 285,512,098.75/19,540.40
  6. Step 6: Final answer
    x = 14,611.37

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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.