Home / 14,684.92-20,265.21-7,970.55

Finding the Fourth Proportional to 14,684.92, 20,265.21 and 7,970.55

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Solution

The fourth proportional to 14,684.92, 20,265.21 and 7,970.55 is: 10,999.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,684.92 : 20,265.21 = 7,970.55 : x
  2. Step 2: Convert to fraction form
    14,684.92/20,265.21 = 7,970.55/x
  3. Step 3: Cross multiply
    14,684.92x = 20,265.21 × 7,970.55
  4. Step 4: Simplify right side
    14,684.92x = 161,524,768.24
  5. Step 5: Solve for x
    x = 161,524,768.24/14,684.92
  6. Step 6: Final answer
    x = 10,999.36

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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.