Home / 25,837.88-38,753.94-7,119.32

Finding the Fourth Proportional to 25,837.88, 38,753.94 and 7,119.32

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Solution

The fourth proportional to 25,837.88, 38,753.94 and 7,119.32 is: 10,678.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,837.88 : 38,753.94 = 7,119.32 : x
  2. Step 2: Convert to fraction form
    25,837.88/38,753.94 = 7,119.32/x
  3. Step 3: Cross multiply
    25,837.88x = 38,753.94 × 7,119.32
  4. Step 4: Simplify right side
    25,837.88x = 275,901,700.12
  5. Step 5: Solve for x
    x = 275,901,700.12/25,837.88
  6. Step 6: Final answer
    x = 10,678.19

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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.