Home / 23,749.62-32,772.84-13,139.64

Finding the Fourth Proportional to 23,749.62, 32,772.84 and 13,139.64

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Solution

The fourth proportional to 23,749.62, 32,772.84 and 13,139.64 is: 18,131.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,749.62 : 32,772.84 = 13,139.64 : x
  2. Step 2: Convert to fraction form
    23,749.62/32,772.84 = 13,139.64/x
  3. Step 3: Cross multiply
    23,749.62x = 32,772.84 × 13,139.64
  4. Step 4: Simplify right side
    23,749.62x = 430,623,319.38
  5. Step 5: Solve for x
    x = 430,623,319.38/23,749.62
  6. Step 6: Final answer
    x = 18,131.80

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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.