Home / 22,635.08-31,236.58-12,563.56

Finding the Fourth Proportional to 22,635.08, 31,236.58 and 12,563.56

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Solution

The fourth proportional to 22,635.08, 31,236.58 and 12,563.56 is: 17,337.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,635.08 : 31,236.58 = 12,563.56 : x
  2. Step 2: Convert to fraction form
    22,635.08/31,236.58 = 12,563.56/x
  3. Step 3: Cross multiply
    22,635.08x = 31,236.58 × 12,563.56
  4. Step 4: Simplify right side
    22,635.08x = 392,442,647.02
  5. Step 5: Solve for x
    x = 392,442,647.02/22,635.08
  6. Step 6: Final answer
    x = 17,337.81

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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.