Home / 16,869.96-23,279.70-9,416.52

Finding the Fourth Proportional to 16,869.96, 23,279.70 and 9,416.52

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Solution

The fourth proportional to 16,869.96, 23,279.70 and 9,416.52 is: 12,994.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,869.96 : 23,279.70 = 9,416.52 : x
  2. Step 2: Convert to fraction form
    16,869.96/23,279.70 = 9,416.52/x
  3. Step 3: Cross multiply
    16,869.96x = 23,279.70 × 9,416.52
  4. Step 4: Simplify right side
    16,869.96x = 219,213,760.64
  5. Step 5: Solve for x
    x = 219,213,760.64/16,869.96
  6. Step 6: Final answer
    x = 12,994.33

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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.