Home / 14,745.74-20,352.04-8,776.22

Finding the Fourth Proportional to 14,745.74, 20,352.04 and 8,776.22

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Solution

The fourth proportional to 14,745.74, 20,352.04 and 8,776.22 is: 12,112.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,745.74 : 20,352.04 = 8,776.22 : x
  2. Step 2: Convert to fraction form
    14,745.74/20,352.04 = 8,776.22/x
  3. Step 3: Cross multiply
    14,745.74x = 20,352.04 × 8,776.22
  4. Step 4: Simplify right side
    14,745.74x = 178,613,980.49
  5. Step 5: Solve for x
    x = 178,613,980.49/14,745.74
  6. Step 6: Final answer
    x = 12,112.92

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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.