Home / 14,689.20-22,017.60-8,452.20

Finding the Fourth Proportional to 14,689.20, 22,017.60 and 8,452.20

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Solution

The fourth proportional to 14,689.20, 22,017.60 and 8,452.20 is: 12,668.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,689.20 : 22,017.60 = 8,452.20 : x
  2. Step 2: Convert to fraction form
    14,689.20/22,017.60 = 8,452.20/x
  3. Step 3: Cross multiply
    14,689.20x = 22,017.60 × 8,452.20
  4. Step 4: Simplify right side
    14,689.20x = 186,097,158.72
  5. Step 5: Solve for x
    x = 186,097,158.72/14,689.20
  6. Step 6: Final answer
    x = 12,668.98

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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.