Home / 22,558.96-31,098.76-15,823.68

Finding the Fourth Proportional to 22,558.96, 31,098.76 and 15,823.68

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Solution

The fourth proportional to 22,558.96, 31,098.76 and 15,823.68 is: 21,813.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,558.96 : 31,098.76 = 15,823.68 : x
  2. Step 2: Convert to fraction form
    22,558.96/31,098.76 = 15,823.68/x
  3. Step 3: Cross multiply
    22,558.96x = 31,098.76 × 15,823.68
  4. Step 4: Simplify right side
    22,558.96x = 492,096,826.64
  5. Step 5: Solve for x
    x = 492,096,826.64/22,558.96
  6. Step 6: Final answer
    x = 21,813.81

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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.