Home / 19,923.76-29,885.64-6,785.56

Finding the Fourth Proportional to 19,923.76, 29,885.64 and 6,785.56

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Solution

The fourth proportional to 19,923.76, 29,885.64 and 6,785.56 is: 10,178.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,923.76 : 29,885.64 = 6,785.56 : x
  2. Step 2: Convert to fraction form
    19,923.76/29,885.64 = 6,785.56/x
  3. Step 3: Cross multiply
    19,923.76x = 29,885.64 × 6,785.56
  4. Step 4: Simplify right side
    19,923.76x = 202,790,803.36
  5. Step 5: Solve for x
    x = 202,790,803.36/19,923.76
  6. Step 6: Final answer
    x = 10,178.34

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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.