Home / 14,582.88-20,122.02-8,613.72

Finding the Fourth Proportional to 14,582.88, 20,122.02 and 8,613.72

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Solution

The fourth proportional to 14,582.88, 20,122.02 and 8,613.72 is: 11,885.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,582.88 : 20,122.02 = 8,613.72 : x
  2. Step 2: Convert to fraction form
    14,582.88/20,122.02 = 8,613.72/x
  3. Step 3: Cross multiply
    14,582.88x = 20,122.02 × 8,613.72
  4. Step 4: Simplify right side
    14,582.88x = 173,325,446.11
  5. Step 5: Solve for x
    x = 173,325,446.11/14,582.88
  6. Step 6: Final answer
    x = 11,885.54

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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.