Home / 26,101.78-39,126.39-15,005.14

Finding the Fourth Proportional to 26,101.78, 39,126.39 and 15,005.14

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Solution

The fourth proportional to 26,101.78, 39,126.39 and 15,005.14 is: 22,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,101.78 : 39,126.39 = 15,005.14 : x
  2. Step 2: Convert to fraction form
    26,101.78/39,126.39 = 15,005.14/x
  3. Step 3: Cross multiply
    26,101.78x = 39,126.39 × 15,005.14
  4. Step 4: Simplify right side
    26,101.78x = 587,096,959.64
  5. Step 5: Solve for x
    x = 587,096,959.64/26,101.78
  6. Step 6: Final answer
    x = 22,492.60

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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.