Home / 12,416.28-18,624.36-11,793.36

Finding the Fourth Proportional to 12,416.28, 18,624.36 and 11,793.36

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Solution

The fourth proportional to 12,416.28, 18,624.36 and 11,793.36 is: 17,689.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,416.28 : 18,624.36 = 11,793.36 : x
  2. Step 2: Convert to fraction form
    12,416.28/18,624.36 = 11,793.36/x
  3. Step 3: Cross multiply
    12,416.28x = 18,624.36 × 11,793.36
  4. Step 4: Simplify right side
    12,416.28x = 219,643,782.25
  5. Step 5: Solve for x
    x = 219,643,782.25/12,416.28
  6. Step 6: Final answer
    x = 17,689.98

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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.