Home / 26,135.40-39,186.90-15,036.60

Finding the Fourth Proportional to 26,135.40, 39,186.90 and 15,036.60

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Solution

The fourth proportional to 26,135.40, 39,186.90 and 15,036.60 is: 22,545.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,135.40 : 39,186.90 = 15,036.60 : x
  2. Step 2: Convert to fraction form
    26,135.40/39,186.90 = 15,036.60/x
  3. Step 3: Cross multiply
    26,135.40x = 39,186.90 × 15,036.60
  4. Step 4: Simplify right side
    26,135.40x = 589,237,740.54
  5. Step 5: Solve for x
    x = 589,237,740.54/26,135.40
  6. Step 6: Final answer
    x = 22,545.58

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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.