Home / 13,582.16-18,747.30-8,801.94

Finding the Fourth Proportional to 13,582.16, 18,747.30 and 8,801.94

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Solution

The fourth proportional to 13,582.16, 18,747.30 and 8,801.94 is: 12,149.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.16 : 18,747.30 = 8,801.94 : x
  2. Step 2: Convert to fraction form
    13,582.16/18,747.30 = 8,801.94/x
  3. Step 3: Cross multiply
    13,582.16x = 18,747.30 × 8,801.94
  4. Step 4: Simplify right side
    13,582.16x = 165,012,609.76
  5. Step 5: Solve for x
    x = 165,012,609.76/13,582.16
  6. Step 6: Final answer
    x = 12,149.22

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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.