Home / 23,099.44-31,877.24-12,489.16

Finding the Fourth Proportional to 23,099.44, 31,877.24 and 12,489.16

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Solution

The fourth proportional to 23,099.44, 31,877.24 and 12,489.16 is: 17,235.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,099.44 : 31,877.24 = 12,489.16 : x
  2. Step 2: Convert to fraction form
    23,099.44/31,877.24 = 12,489.16/x
  3. Step 3: Cross multiply
    23,099.44x = 31,877.24 × 12,489.16
  4. Step 4: Simplify right side
    23,099.44x = 398,119,950.72
  5. Step 5: Solve for x
    x = 398,119,950.72/23,099.44
  6. Step 6: Final answer
    x = 17,235.05

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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.