Home / 26,251.78-39,363.12-10,455.58

Finding the Fourth Proportional to 26,251.78, 39,363.12 and 10,455.58

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Solution

The fourth proportional to 26,251.78, 39,363.12 and 10,455.58 is: 15,677.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,251.78 : 39,363.12 = 10,455.58 : x
  2. Step 2: Convert to fraction form
    26,251.78/39,363.12 = 10,455.58/x
  3. Step 3: Cross multiply
    26,251.78x = 39,363.12 × 10,455.58
  4. Step 4: Simplify right side
    26,251.78x = 411,564,250.21
  5. Step 5: Solve for x
    x = 411,564,250.21/26,251.78
  6. Step 6: Final answer
    x = 15,677.58

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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.