Home / 14,869.86-20,520.44-8,582.23

Finding the Fourth Proportional to 14,869.86, 20,520.44 and 8,582.23

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Solution

The fourth proportional to 14,869.86, 20,520.44 and 8,582.23 is: 11,843.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,869.86 : 20,520.44 = 8,582.23 : x
  2. Step 2: Convert to fraction form
    14,869.86/20,520.44 = 8,582.23/x
  3. Step 3: Cross multiply
    14,869.86x = 20,520.44 × 8,582.23
  4. Step 4: Simplify right side
    14,869.86x = 176,111,135.78
  5. Step 5: Solve for x
    x = 176,111,135.78/14,869.86
  6. Step 6: Final answer
    x = 11,843.50

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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.