Home / 18,900.06-28,462.56-16,464.30

Finding the Fourth Proportional to 18,900.06, 28,462.56 and 16,464.30

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Solution

The fourth proportional to 18,900.06, 28,462.56 and 16,464.30 is: 24,794.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,900.06 : 28,462.56 = 16,464.30 : x
  2. Step 2: Convert to fraction form
    18,900.06/28,462.56 = 16,464.30/x
  3. Step 3: Cross multiply
    18,900.06x = 28,462.56 × 16,464.30
  4. Step 4: Simplify right side
    18,900.06x = 468,616,126.61
  5. Step 5: Solve for x
    x = 468,616,126.61/18,900.06
  6. Step 6: Final answer
    x = 24,794.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.