Home / 14,863.20-20,525.10-9,567.21

Finding the Fourth Proportional to 14,863.20, 20,525.10 and 9,567.21

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Solution

The fourth proportional to 14,863.20, 20,525.10 and 9,567.21 is: 13,211.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,863.20 : 20,525.10 = 9,567.21 : x
  2. Step 2: Convert to fraction form
    14,863.20/20,525.10 = 9,567.21/x
  3. Step 3: Cross multiply
    14,863.20x = 20,525.10 × 9,567.21
  4. Step 4: Simplify right side
    14,863.20x = 196,367,941.97
  5. Step 5: Solve for x
    x = 196,367,941.97/14,863.20
  6. Step 6: Final answer
    x = 13,211.69

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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.