Home / 18,825.34-28,182.52-16,489.91

Finding the Fourth Proportional to 18,825.34, 28,182.52 and 16,489.91

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Solution

The fourth proportional to 18,825.34, 28,182.52 and 16,489.91 is: 24,686.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825.34 : 28,182.52 = 16,489.91 : x
  2. Step 2: Convert to fraction form
    18,825.34/28,182.52 = 16,489.91/x
  3. Step 3: Cross multiply
    18,825.34x = 28,182.52 × 16,489.91
  4. Step 4: Simplify right side
    18,825.34x = 464,726,995.01
  5. Step 5: Solve for x
    x = 464,726,995.01/18,825.34
  6. Step 6: Final answer
    x = 24,686.25

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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.