Home / 20,037.94-30,058.90-6,888.58

Finding the Fourth Proportional to 20,037.94, 30,058.90 and 6,888.58

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Solution

The fourth proportional to 20,037.94, 30,058.90 and 6,888.58 is: 10,333.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,037.94 : 30,058.90 = 6,888.58 : x
  2. Step 2: Convert to fraction form
    20,037.94/30,058.90 = 6,888.58/x
  3. Step 3: Cross multiply
    20,037.94x = 30,058.90 × 6,888.58
  4. Step 4: Simplify right side
    20,037.94x = 207,063,137.36
  5. Step 5: Solve for x
    x = 207,063,137.36/20,037.94
  6. Step 6: Final answer
    x = 10,333.55

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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.