Home / 13,400.76-20,102.10-4,636.92

Finding the Fourth Proportional to 13,400.76, 20,102.10 and 4,636.92

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Solution

The fourth proportional to 13,400.76, 20,102.10 and 4,636.92 is: 6,955.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400.76 : 20,102.10 = 4,636.92 : x
  2. Step 2: Convert to fraction form
    13,400.76/20,102.10 = 4,636.92/x
  3. Step 3: Cross multiply
    13,400.76x = 20,102.10 × 4,636.92
  4. Step 4: Simplify right side
    13,400.76x = 93,211,829.53
  5. Step 5: Solve for x
    x = 93,211,829.53/13,400.76
  6. Step 6: Final answer
    x = 6,955.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.