Home / 14,920.26-20,590.10-8,205.93

Finding the Fourth Proportional to 14,920.26, 20,590.10 and 8,205.93

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Solution

The fourth proportional to 14,920.26, 20,590.10 and 8,205.93 is: 11,324.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,920.26 : 20,590.10 = 8,205.93 : x
  2. Step 2: Convert to fraction form
    14,920.26/20,590.10 = 8,205.93/x
  3. Step 3: Cross multiply
    14,920.26x = 20,590.10 × 8,205.93
  4. Step 4: Simplify right side
    14,920.26x = 168,960,919.29
  5. Step 5: Solve for x
    x = 168,960,919.29/14,920.26
  6. Step 6: Final answer
    x = 11,324.26

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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.