Home / 18,474.40-25,465.20-16,948.96

Finding the Fourth Proportional to 18,474.40, 25,465.20 and 16,948.96

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Solution

The fourth proportional to 18,474.40, 25,465.20 and 16,948.96 is: 23,362.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,474.40 : 25,465.20 = 16,948.96 : x
  2. Step 2: Convert to fraction form
    18,474.40/25,465.20 = 16,948.96/x
  3. Step 3: Cross multiply
    18,474.40x = 25,465.20 × 16,948.96
  4. Step 4: Simplify right side
    18,474.40x = 431,608,656.19
  5. Step 5: Solve for x
    x = 431,608,656.19/18,474.40
  6. Step 6: Final answer
    x = 23,362.53

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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.