Home / 17,086.40-25,632.80-5,401.32

Finding the Fourth Proportional to 17,086.40, 25,632.80 and 5,401.32

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Solution

The fourth proportional to 17,086.40, 25,632.80 and 5,401.32 is: 8,102.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,086.40 : 25,632.80 = 5,401.32 : x
  2. Step 2: Convert to fraction form
    17,086.40/25,632.80 = 5,401.32/x
  3. Step 3: Cross multiply
    17,086.40x = 25,632.80 × 5,401.32
  4. Step 4: Simplify right side
    17,086.40x = 138,450,955.30
  5. Step 5: Solve for x
    x = 138,450,955.30/17,086.40
  6. Step 6: Final answer
    x = 8,102.99

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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.