Home / 13,771.32-20,651.50-5,001.45

Finding the Fourth Proportional to 13,771.32, 20,651.50 and 5,001.45

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Solution

The fourth proportional to 13,771.32, 20,651.50 and 5,001.45 is: 7,500.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771.32 : 20,651.50 = 5,001.45 : x
  2. Step 2: Convert to fraction form
    13,771.32/20,651.50 = 5,001.45/x
  3. Step 3: Cross multiply
    13,771.32x = 20,651.50 × 5,001.45
  4. Step 4: Simplify right side
    13,771.32x = 103,287,444.68
  5. Step 5: Solve for x
    x = 103,287,444.68/13,771.32
  6. Step 6: Final answer
    x = 7,500.18

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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.