Home / 13,099.92-18,076.54-7,432.88

Finding the Fourth Proportional to 13,099.92, 18,076.54 and 7,432.88

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Solution

The fourth proportional to 13,099.92, 18,076.54 and 7,432.88 is: 10,256.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099.92 : 18,076.54 = 7,432.88 : x
  2. Step 2: Convert to fraction form
    13,099.92/18,076.54 = 7,432.88/x
  3. Step 3: Cross multiply
    13,099.92x = 18,076.54 × 7,432.88
  4. Step 4: Simplify right side
    13,099.92x = 134,360,752.64
  5. Step 5: Solve for x
    x = 134,360,752.64/13,099.92
  6. Step 6: Final answer
    x = 10,256.61

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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.