Home / 19,725.04-29,596.78-8,630.29

Finding the Fourth Proportional to 19,725.04, 29,596.78 and 8,630.29

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Solution

The fourth proportional to 19,725.04, 29,596.78 and 8,630.29 is: 12,949.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725.04 : 29,596.78 = 8,630.29 : x
  2. Step 2: Convert to fraction form
    19,725.04/29,596.78 = 8,630.29/x
  3. Step 3: Cross multiply
    19,725.04x = 29,596.78 × 8,630.29
  4. Step 4: Simplify right side
    19,725.04x = 255,428,794.47
  5. Step 5: Solve for x
    x = 255,428,794.47/19,725.04
  6. Step 6: Final answer
    x = 12,949.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.