Home / 26,181.68-36,131.70-15,005.84

Finding the Fourth Proportional to 26,181.68, 36,131.70 and 15,005.84

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Solution

The fourth proportional to 26,181.68, 36,131.70 and 15,005.84 is: 20,708.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,181.68 : 36,131.70 = 15,005.84 : x
  2. Step 2: Convert to fraction form
    26,181.68/36,131.70 = 15,005.84/x
  3. Step 3: Cross multiply
    26,181.68x = 36,131.70 × 15,005.84
  4. Step 4: Simplify right side
    26,181.68x = 542,186,509.13
  5. Step 5: Solve for x
    x = 542,186,509.13/26,181.68
  6. Step 6: Final answer
    x = 20,708.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.