Home / 22,154.58-33,207.84-10,917.72

Finding the Fourth Proportional to 22,154.58, 33,207.84 and 10,917.72

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Solution

The fourth proportional to 22,154.58, 33,207.84 and 10,917.72 is: 16,364.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,154.58 : 33,207.84 = 10,917.72 : x
  2. Step 2: Convert to fraction form
    22,154.58/33,207.84 = 10,917.72/x
  3. Step 3: Cross multiply
    22,154.58x = 33,207.84 × 10,917.72
  4. Step 4: Simplify right side
    22,154.58x = 362,553,898.92
  5. Step 5: Solve for x
    x = 362,553,898.92/22,154.58
  6. Step 6: Final answer
    x = 16,364.74

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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.