Home / 20,192.30-30,271.88-9,095.66

Finding the Fourth Proportional to 20,192.30, 30,271.88 and 9,095.66

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Solution

The fourth proportional to 20,192.30, 30,271.88 and 9,095.66 is: 13,636.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.30 : 30,271.88 = 9,095.66 : x
  2. Step 2: Convert to fraction form
    20,192.30/30,271.88 = 9,095.66/x
  3. Step 3: Cross multiply
    20,192.30x = 30,271.88 × 9,095.66
  4. Step 4: Simplify right side
    20,192.30x = 275,342,728.04
  5. Step 5: Solve for x
    x = 275,342,728.04/20,192.30
  6. Step 6: Final answer
    x = 13,636.03

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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.