Home / 18,499.60-25,528.74-16,993.48

Finding the Fourth Proportional to 18,499.60, 25,528.74 and 16,993.48

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Solution

The fourth proportional to 18,499.60, 25,528.74 and 16,993.48 is: 23,450.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,499.60 : 25,528.74 = 16,993.48 : x
  2. Step 2: Convert to fraction form
    18,499.60/25,528.74 = 16,993.48/x
  3. Step 3: Cross multiply
    18,499.60x = 25,528.74 × 16,993.48
  4. Step 4: Simplify right side
    18,499.60x = 433,822,132.62
  5. Step 5: Solve for x
    x = 433,822,132.62/18,499.60
  6. Step 6: Final answer
    x = 23,450.35

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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.