Home / 20,548.18-30,775.55-16,077.99

Finding the Fourth Proportional to 20,548.18, 30,775.55 and 16,077.99

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Solution

The fourth proportional to 20,548.18, 30,775.55 and 16,077.99 is: 24,080.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548.18 : 30,775.55 = 16,077.99 : x
  2. Step 2: Convert to fraction form
    20,548.18/30,775.55 = 16,077.99/x
  3. Step 3: Cross multiply
    20,548.18x = 30,775.55 × 16,077.99
  4. Step 4: Simplify right side
    20,548.18x = 494,808,985.14
  5. Step 5: Solve for x
    x = 494,808,985.14/20,548.18
  6. Step 6: Final answer
    x = 24,080.43

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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.