Home / 13,582.65-18,747.99-8,802.44

Finding the Fourth Proportional to 13,582.65, 18,747.99 and 8,802.44

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Solution

The fourth proportional to 13,582.65, 18,747.99 and 8,802.44 is: 12,149.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.65 : 18,747.99 = 8,802.44 : x
  2. Step 2: Convert to fraction form
    13,582.65/18,747.99 = 8,802.44/x
  3. Step 3: Cross multiply
    13,582.65x = 18,747.99 × 8,802.44
  4. Step 4: Simplify right side
    13,582.65x = 165,027,963.36
  5. Step 5: Solve for x
    x = 165,027,963.36/13,582.65
  6. Step 6: Final answer
    x = 12,149.91

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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.