Home / 26,630.64-39,911.16-13,475.88

Finding the Fourth Proportional to 26,630.64, 39,911.16 and 13,475.88

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Solution

The fourth proportional to 26,630.64, 39,911.16 and 13,475.88 is: 20,196.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,630.64 : 39,911.16 = 13,475.88 : x
  2. Step 2: Convert to fraction form
    26,630.64/39,911.16 = 13,475.88/x
  3. Step 3: Cross multiply
    26,630.64x = 39,911.16 × 13,475.88
  4. Step 4: Simplify right side
    26,630.64x = 537,838,002.82
  5. Step 5: Solve for x
    x = 537,838,002.82/26,630.64
  6. Step 6: Final answer
    x = 20,196.21

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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.