Home / 17,378.88-26,068.68-4,231.32

Finding the Fourth Proportional to 17,378.88, 26,068.68 and 4,231.32

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Solution

The fourth proportional to 17,378.88, 26,068.68 and 4,231.32 is: 6,347.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,378.88 : 26,068.68 = 4,231.32 : x
  2. Step 2: Convert to fraction form
    17,378.88/26,068.68 = 4,231.32/x
  3. Step 3: Cross multiply
    17,378.88x = 26,068.68 × 4,231.32
  4. Step 4: Simplify right side
    17,378.88x = 110,304,927.06
  5. Step 5: Solve for x
    x = 110,304,927.06/17,378.88
  6. Step 6: Final answer
    x = 6,347.07

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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.