Home / 14,595.31-20,142.02-8,632.09

Finding the Fourth Proportional to 14,595.31, 20,142.02 and 8,632.09

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Solution

The fourth proportional to 14,595.31, 20,142.02 and 8,632.09 is: 11,912.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,595.31 : 20,142.02 = 8,632.09 : x
  2. Step 2: Convert to fraction form
    14,595.31/20,142.02 = 8,632.09/x
  3. Step 3: Cross multiply
    14,595.31x = 20,142.02 × 8,632.09
  4. Step 4: Simplify right side
    14,595.31x = 173,867,585.55
  5. Step 5: Solve for x
    x = 173,867,585.55/14,595.31
  6. Step 6: Final answer
    x = 11,912.57

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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.