Home / 26,455.40-39,684.30-6,734.12

Finding the Fourth Proportional to 26,455.40, 39,684.30 and 6,734.12

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Solution

The fourth proportional to 26,455.40, 39,684.30 and 6,734.12 is: 10,101.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,455.40 : 39,684.30 = 6,734.12 : x
  2. Step 2: Convert to fraction form
    26,455.40/39,684.30 = 6,734.12/x
  3. Step 3: Cross multiply
    26,455.40x = 39,684.30 × 6,734.12
  4. Step 4: Simplify right side
    26,455.40x = 267,238,639.89
  5. Step 5: Solve for x
    x = 267,238,639.89/26,455.40
  6. Step 6: Final answer
    x = 10,101.48

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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.