Home / 14,775.27-20,389.21-8,060.77

Finding the Fourth Proportional to 14,775.27, 20,389.21 and 8,060.77

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Solution

The fourth proportional to 14,775.27, 20,389.21 and 8,060.77 is: 11,123.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,775.27 : 20,389.21 = 8,060.77 : x
  2. Step 2: Convert to fraction form
    14,775.27/20,389.21 = 8,060.77/x
  3. Step 3: Cross multiply
    14,775.27x = 20,389.21 × 8,060.77
  4. Step 4: Simplify right side
    14,775.27x = 164,352,732.29
  5. Step 5: Solve for x
    x = 164,352,732.29/14,775.27
  6. Step 6: Final answer
    x = 11,123.50

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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.