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Finding the Fourth Proportional to 15,109.65, 22,682.70 and 15,000.30

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Solution

The fourth proportional to 15,109.65, 22,682.70 and 15,000.30 is: 22,518.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,109.65 : 22,682.70 = 15,000.30 : x
  2. Step 2: Convert to fraction form
    15,109.65/22,682.70 = 15,000.30/x
  3. Step 3: Cross multiply
    15,109.65x = 22,682.70 × 15,000.30
  4. Step 4: Simplify right side
    15,109.65x = 340,247,304.81
  5. Step 5: Solve for x
    x = 340,247,304.81/15,109.65
  6. Step 6: Final answer
    x = 22,518.54

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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.