Home / 26,125.54-39,160.36-12,069.20

Finding the Fourth Proportional to 26,125.54, 39,160.36 and 12,069.20

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Solution

The fourth proportional to 26,125.54, 39,160.36 and 12,069.20 is: 18,090.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,125.54 : 39,160.36 = 12,069.20 : x
  2. Step 2: Convert to fraction form
    26,125.54/39,160.36 = 12,069.20/x
  3. Step 3: Cross multiply
    26,125.54x = 39,160.36 × 12,069.20
  4. Step 4: Simplify right side
    26,125.54x = 472,634,329.90
  5. Step 5: Solve for x
    x = 472,634,329.90/26,125.54
  6. Step 6: Final answer
    x = 18,090.89

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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.