Home / 18,458.20-25,472.38-10,074.84

Finding the Fourth Proportional to 18,458.20, 25,472.38 and 10,074.84

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Solution

The fourth proportional to 18,458.20, 25,472.38 and 10,074.84 is: 13,903.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458.20 : 25,472.38 = 10,074.84 : x
  2. Step 2: Convert to fraction form
    18,458.20/25,472.38 = 10,074.84/x
  3. Step 3: Cross multiply
    18,458.20x = 25,472.38 × 10,074.84
  4. Step 4: Simplify right side
    18,458.20x = 256,630,152.92
  5. Step 5: Solve for x
    x = 256,630,152.92/18,458.20
  6. Step 6: Final answer
    x = 13,903.31

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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.