Home / 19,651.20-27,110.65-12,095.25

Finding the Fourth Proportional to 19,651.20, 27,110.65 and 12,095.25

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Solution

The fourth proportional to 19,651.20, 27,110.65 and 12,095.25 is: 16,686.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,651.20 : 27,110.65 = 12,095.25 : x
  2. Step 2: Convert to fraction form
    19,651.20/27,110.65 = 12,095.25/x
  3. Step 3: Cross multiply
    19,651.20x = 27,110.65 × 12,095.25
  4. Step 4: Simplify right side
    19,651.20x = 327,910,089.41
  5. Step 5: Solve for x
    x = 327,910,089.41/19,651.20
  6. Step 6: Final answer
    x = 16,686.52

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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.