Home / 15,000.20-22,467.90-13,358.60

Finding the Fourth Proportional to 15,000.20, 22,467.90 and 13,358.60

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Solution

The fourth proportional to 15,000.20, 22,467.90 and 13,358.60 is: 20,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000.20 : 22,467.90 = 13,358.60 : x
  2. Step 2: Convert to fraction form
    15,000.20/22,467.90 = 13,358.60/x
  3. Step 3: Cross multiply
    15,000.20x = 22,467.90 × 13,358.60
  4. Step 4: Simplify right side
    15,000.20x = 300,139,688.94
  5. Step 5: Solve for x
    x = 300,139,688.94/15,000.20
  6. Step 6: Final answer
    x = 20,009.05

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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.