Home / 16,439.40-22,676.94-9,364.50

Finding the Fourth Proportional to 16,439.40, 22,676.94 and 9,364.50

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Solution

The fourth proportional to 16,439.40, 22,676.94 and 9,364.50 is: 12,917.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,439.40 : 22,676.94 = 9,364.50 : x
  2. Step 2: Convert to fraction form
    16,439.40/22,676.94 = 9,364.50/x
  3. Step 3: Cross multiply
    16,439.40x = 22,676.94 × 9,364.50
  4. Step 4: Simplify right side
    16,439.40x = 212,358,204.63
  5. Step 5: Solve for x
    x = 212,358,204.63/16,439.40
  6. Step 6: Final answer
    x = 12,917.64

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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.