Home / 14,558.76-20,089.89-8,590.68

Finding the Fourth Proportional to 14,558.76, 20,089.89 and 8,590.68

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Solution

The fourth proportional to 14,558.76, 20,089.89 and 8,590.68 is: 11,854.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,558.76 : 20,089.89 = 8,590.68 : x
  2. Step 2: Convert to fraction form
    14,558.76/20,089.89 = 8,590.68/x
  3. Step 3: Cross multiply
    14,558.76x = 20,089.89 × 8,590.68
  4. Step 4: Simplify right side
    14,558.76x = 172,585,816.23
  5. Step 5: Solve for x
    x = 172,585,816.23/14,558.76
  6. Step 6: Final answer
    x = 11,854.43

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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.