Home / 14,776.11-20,390.72-8,061.93

Finding the Fourth Proportional to 14,776.11, 20,390.72 and 8,061.93

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Solution

The fourth proportional to 14,776.11, 20,390.72 and 8,061.93 is: 11,125.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,776.11 : 20,390.72 = 8,061.93 : x
  2. Step 2: Convert to fraction form
    14,776.11/20,390.72 = 8,061.93/x
  3. Step 3: Cross multiply
    14,776.11x = 20,390.72 × 8,061.93
  4. Step 4: Simplify right side
    14,776.11x = 164,388,516.98
  5. Step 5: Solve for x
    x = 164,388,516.98/14,776.11
  6. Step 6: Final answer
    x = 11,125.29

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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.