Home / 12,468.52-18,656.58-9,995.86

Finding the Fourth Proportional to 12,468.52, 18,656.58 and 9,995.86

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Solution

The fourth proportional to 12,468.52, 18,656.58 and 9,995.86 is: 14,956.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468.52 : 18,656.58 = 9,995.86 : x
  2. Step 2: Convert to fraction form
    12,468.52/18,656.58 = 9,995.86/x
  3. Step 3: Cross multiply
    12,468.52x = 18,656.58 × 9,995.86
  4. Step 4: Simplify right side
    12,468.52x = 186,488,561.76
  5. Step 5: Solve for x
    x = 186,488,561.76/12,468.52
  6. Step 6: Final answer
    x = 14,956.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.