Home / 18,366.60-25,345.26-12,074.52

Finding the Fourth Proportional to 18,366.60, 25,345.26 and 12,074.52

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Solution

The fourth proportional to 18,366.60, 25,345.26 and 12,074.52 is: 16,662.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,366.60 : 25,345.26 = 12,074.52 : x
  2. Step 2: Convert to fraction form
    18,366.60/25,345.26 = 12,074.52/x
  3. Step 3: Cross multiply
    18,366.60x = 25,345.26 × 12,074.52
  4. Step 4: Simplify right side
    18,366.60x = 306,031,848.78
  5. Step 5: Solve for x
    x = 306,031,848.78/18,366.60
  6. Step 6: Final answer
    x = 16,662.41

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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.