Home / 18,585.40-25,632.84-16,342.60

Finding the Fourth Proportional to 18,585.40, 25,632.84 and 16,342.60

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Solution

The fourth proportional to 18,585.40, 25,632.84 and 16,342.60 is: 22,539.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585.40 : 25,632.84 = 16,342.60 : x
  2. Step 2: Convert to fraction form
    18,585.40/25,632.84 = 16,342.60/x
  3. Step 3: Cross multiply
    18,585.40x = 25,632.84 × 16,342.60
  4. Step 4: Simplify right side
    18,585.40x = 418,907,250.98
  5. Step 5: Solve for x
    x = 418,907,250.98/18,585.40
  6. Step 6: Final answer
    x = 22,539.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.