Home / 25,558.17-38,320.83-16,782.83

Finding the Fourth Proportional to 25,558.17, 38,320.83 and 16,782.83

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Solution

The fourth proportional to 25,558.17, 38,320.83 and 16,782.83 is: 25,163.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,558.17 : 38,320.83 = 16,782.83 : x
  2. Step 2: Convert to fraction form
    25,558.17/38,320.83 = 16,782.83/x
  3. Step 3: Cross multiply
    25,558.17x = 38,320.83 × 16,782.83
  4. Step 4: Simplify right side
    25,558.17x = 643,131,783.74
  5. Step 5: Solve for x
    x = 643,131,783.74/25,558.17
  6. Step 6: Final answer
    x = 25,163.45

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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.