Home / 14,582.61-20,118.96-8,207.91

Finding the Fourth Proportional to 14,582.61, 20,118.96 and 8,207.91

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Solution

The fourth proportional to 14,582.61, 20,118.96 and 8,207.91 is: 11,324.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,582.61 : 20,118.96 = 8,207.91 : x
  2. Step 2: Convert to fraction form
    14,582.61/20,118.96 = 8,207.91/x
  3. Step 3: Cross multiply
    14,582.61x = 20,118.96 × 8,207.91
  4. Step 4: Simplify right side
    14,582.61x = 165,134,612.97
  5. Step 5: Solve for x
    x = 165,134,612.97/14,582.61
  6. Step 6: Final answer
    x = 11,324.08

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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.