Home / 13,549.05-20,319.84-6,533.64

Finding the Fourth Proportional to 13,549.05, 20,319.84 and 6,533.64

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Solution

The fourth proportional to 13,549.05, 20,319.84 and 6,533.64 is: 9,798.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549.05 : 20,319.84 = 6,533.64 : x
  2. Step 2: Convert to fraction form
    13,549.05/20,319.84 = 6,533.64/x
  3. Step 3: Cross multiply
    13,549.05x = 20,319.84 × 6,533.64
  4. Step 4: Simplify right side
    13,549.05x = 132,762,519.42
  5. Step 5: Solve for x
    x = 132,762,519.42/13,549.05
  6. Step 6: Final answer
    x = 9,798.66

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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.