Home / 14,529.70-20,053.28-8,865.68

Finding the Fourth Proportional to 14,529.70, 20,053.28 and 8,865.68

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Solution

The fourth proportional to 14,529.70, 20,053.28 and 8,865.68 is: 12,236.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,529.70 : 20,053.28 = 8,865.68 : x
  2. Step 2: Convert to fraction form
    14,529.70/20,053.28 = 8,865.68/x
  3. Step 3: Cross multiply
    14,529.70x = 20,053.28 × 8,865.68
  4. Step 4: Simplify right side
    14,529.70x = 177,785,963.43
  5. Step 5: Solve for x
    x = 177,785,963.43/14,529.70
  6. Step 6: Final answer
    x = 12,236.04

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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.