Home / 17,425.26-26,143.56-11,870.28

Finding the Fourth Proportional to 17,425.26, 26,143.56 and 11,870.28

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Solution

The fourth proportional to 17,425.26, 26,143.56 and 11,870.28 is: 17,809.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,425.26 : 26,143.56 = 11,870.28 : x
  2. Step 2: Convert to fraction form
    17,425.26/26,143.56 = 11,870.28/x
  3. Step 3: Cross multiply
    17,425.26x = 26,143.56 × 11,870.28
  4. Step 4: Simplify right side
    17,425.26x = 310,331,377.40
  5. Step 5: Solve for x
    x = 310,331,377.40/17,425.26
  6. Step 6: Final answer
    x = 17,809.28

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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.