Home / 14,942.31-20,622.36-9,652.50

Finding the Fourth Proportional to 14,942.31, 20,622.36 and 9,652.50

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Solution

The fourth proportional to 14,942.31, 20,622.36 and 9,652.50 is: 13,321.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,942.31 : 20,622.36 = 9,652.50 : x
  2. Step 2: Convert to fraction form
    14,942.31/20,622.36 = 9,652.50/x
  3. Step 3: Cross multiply
    14,942.31x = 20,622.36 × 9,652.50
  4. Step 4: Simplify right side
    14,942.31x = 199,057,329.90
  5. Step 5: Solve for x
    x = 199,057,329.90/14,942.31
  6. Step 6: Final answer
    x = 13,321.72

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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.