Home / 25,578.64-35,303.97-17,190.28

Finding the Fourth Proportional to 25,578.64, 35,303.97 and 17,190.28

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Solution

The fourth proportional to 25,578.64, 35,303.97 and 17,190.28 is: 23,726.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,578.64 : 35,303.97 = 17,190.28 : x
  2. Step 2: Convert to fraction form
    25,578.64/35,303.97 = 17,190.28/x
  3. Step 3: Cross multiply
    25,578.64x = 35,303.97 × 17,190.28
  4. Step 4: Simplify right side
    25,578.64x = 606,885,141.31
  5. Step 5: Solve for x
    x = 606,885,141.31/25,578.64
  6. Step 6: Final answer
    x = 23,726.25

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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.