Home / 19,727.50-29,590.98-7,242.62

Finding the Fourth Proportional to 19,727.50, 29,590.98 and 7,242.62

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Solution

The fourth proportional to 19,727.50, 29,590.98 and 7,242.62 is: 10,863.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,727.50 : 29,590.98 = 7,242.62 : x
  2. Step 2: Convert to fraction form
    19,727.50/29,590.98 = 7,242.62/x
  3. Step 3: Cross multiply
    19,727.50x = 29,590.98 × 7,242.62
  4. Step 4: Simplify right side
    19,727.50x = 214,316,223.57
  5. Step 5: Solve for x
    x = 214,316,223.57/19,727.50
  6. Step 6: Final answer
    x = 10,863.83

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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.