Home / 26,083.40-39,125.10-7,615.40

Finding the Fourth Proportional to 26,083.40, 39,125.10 and 7,615.40

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Solution

The fourth proportional to 26,083.40, 39,125.10 and 7,615.40 is: 11,423.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,083.40 : 39,125.10 = 7,615.40 : x
  2. Step 2: Convert to fraction form
    26,083.40/39,125.10 = 7,615.40/x
  3. Step 3: Cross multiply
    26,083.40x = 39,125.10 × 7,615.40
  4. Step 4: Simplify right side
    26,083.40x = 297,953,286.54
  5. Step 5: Solve for x
    x = 297,953,286.54/26,083.40
  6. Step 6: Final answer
    x = 11,423.10

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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.