Home / 14,497.44-20,005.50-8,123.28

Finding the Fourth Proportional to 14,497.44, 20,005.50 and 8,123.28

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Solution

The fourth proportional to 14,497.44, 20,005.50 and 8,123.28 is: 11,209.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,497.44 : 20,005.50 = 8,123.28 : x
  2. Step 2: Convert to fraction form
    14,497.44/20,005.50 = 8,123.28/x
  3. Step 3: Cross multiply
    14,497.44x = 20,005.50 × 8,123.28
  4. Step 4: Simplify right side
    14,497.44x = 162,510,278.04
  5. Step 5: Solve for x
    x = 162,510,278.04/14,497.44
  6. Step 6: Final answer
    x = 11,209.58

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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.