Home / 23,173.90-31,980.02-12,563.56

Finding the Fourth Proportional to 23,173.90, 31,980.02 and 12,563.56

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Solution

The fourth proportional to 23,173.90, 31,980.02 and 12,563.56 is: 17,337.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,173.90 : 31,980.02 = 12,563.56 : x
  2. Step 2: Convert to fraction form
    23,173.90/31,980.02 = 12,563.56/x
  3. Step 3: Cross multiply
    23,173.90x = 31,980.02 × 12,563.56
  4. Step 4: Simplify right side
    23,173.90x = 401,782,697.34
  5. Step 5: Solve for x
    x = 401,782,697.34/23,173.90
  6. Step 6: Final answer
    x = 17,337.73

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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.