Home / 19,076.76-28,587.84-10,739.28

Finding the Fourth Proportional to 19,076.76, 28,587.84 and 10,739.28

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Solution

The fourth proportional to 19,076.76, 28,587.84 and 10,739.28 is: 16,093.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,076.76 : 28,587.84 = 10,739.28 : x
  2. Step 2: Convert to fraction form
    19,076.76/28,587.84 = 10,739.28/x
  3. Step 3: Cross multiply
    19,076.76x = 28,587.84 × 10,739.28
  4. Step 4: Simplify right side
    19,076.76x = 307,012,818.36
  5. Step 5: Solve for x
    x = 307,012,818.36/19,076.76
  6. Step 6: Final answer
    x = 16,093.55

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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.