Home / 20,777.68-31,166.30-16,598.08

Finding the Fourth Proportional to 20,777.68, 31,166.30 and 16,598.08

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Solution

The fourth proportional to 20,777.68, 31,166.30 and 16,598.08 is: 24,896.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,777.68 : 31,166.30 = 16,598.08 : x
  2. Step 2: Convert to fraction form
    20,777.68/31,166.30 = 16,598.08/x
  3. Step 3: Cross multiply
    20,777.68x = 31,166.30 × 16,598.08
  4. Step 4: Simplify right side
    20,777.68x = 517,300,740.70
  5. Step 5: Solve for x
    x = 517,300,740.70/20,777.68
  6. Step 6: Final answer
    x = 24,896.94

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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.