Home / 20,374.92-28,099.44-14,708.16

Finding the Fourth Proportional to 20,374.92, 28,099.44 and 14,708.16

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Solution

The fourth proportional to 20,374.92, 28,099.44 and 14,708.16 is: 20,284.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,374.92 : 28,099.44 = 14,708.16 : x
  2. Step 2: Convert to fraction form
    20,374.92/28,099.44 = 14,708.16/x
  3. Step 3: Cross multiply
    20,374.92x = 28,099.44 × 14,708.16
  4. Step 4: Simplify right side
    20,374.92x = 413,291,059.43
  5. Step 5: Solve for x
    x = 413,291,059.43/20,374.92
  6. Step 6: Final answer
    x = 20,284.30

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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.