Home / 13,516.20-20,242.98-13,049.10

Finding the Fourth Proportional to 13,516.20, 20,242.98 and 13,049.10

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Solution

The fourth proportional to 13,516.20, 20,242.98 and 13,049.10 is: 19,543.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516.20 : 20,242.98 = 13,049.10 : x
  2. Step 2: Convert to fraction form
    13,516.20/20,242.98 = 13,049.10/x
  3. Step 3: Cross multiply
    13,516.20x = 20,242.98 × 13,049.10
  4. Step 4: Simplify right side
    13,516.20x = 264,152,670.32
  5. Step 5: Solve for x
    x = 264,152,670.32/13,516.20
  6. Step 6: Final answer
    x = 19,543.41

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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.