Home / 14,582.32-20,123.68-8,294.80

Finding the Fourth Proportional to 14,582.32, 20,123.68 and 8,294.80

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Solution

The fourth proportional to 14,582.32, 20,123.68 and 8,294.80 is: 11,446.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,582.32 : 20,123.68 = 8,294.80 : x
  2. Step 2: Convert to fraction form
    14,582.32/20,123.68 = 8,294.80/x
  3. Step 3: Cross multiply
    14,582.32x = 20,123.68 × 8,294.80
  4. Step 4: Simplify right side
    14,582.32x = 166,921,900.86
  5. Step 5: Solve for x
    x = 166,921,900.86/14,582.32
  6. Step 6: Final answer
    x = 11,446.87

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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.