Home / 20,525.72-30,788.59-4,943.34

Finding the Fourth Proportional to 20,525.72, 30,788.59 and 4,943.34

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Solution

The fourth proportional to 20,525.72, 30,788.59 and 4,943.34 is: 7,415.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,525.72 : 30,788.59 = 4,943.34 : x
  2. Step 2: Convert to fraction form
    20,525.72/30,788.59 = 4,943.34/x
  3. Step 3: Cross multiply
    20,525.72x = 30,788.59 × 4,943.34
  4. Step 4: Simplify right side
    20,525.72x = 152,198,468.49
  5. Step 5: Solve for x
    x = 152,198,468.49/20,525.72
  6. Step 6: Final answer
    x = 7,415.01

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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.