Home / 13,475.52-18,593.12-8,169.24

Finding the Fourth Proportional to 13,475.52, 18,593.12 and 8,169.24

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Solution

The fourth proportional to 13,475.52, 18,593.12 and 8,169.24 is: 11,271.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.52 : 18,593.12 = 8,169.24 : x
  2. Step 2: Convert to fraction form
    13,475.52/18,593.12 = 8,169.24/x
  3. Step 3: Cross multiply
    13,475.52x = 18,593.12 × 8,169.24
  4. Step 4: Simplify right side
    13,475.52x = 151,891,659.63
  5. Step 5: Solve for x
    x = 151,891,659.63/13,475.52
  6. Step 6: Final answer
    x = 11,271.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.