Home / 17,109.29-23,611.74-9,555.79

Finding the Fourth Proportional to 17,109.29, 23,611.74 and 9,555.79

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Solution

The fourth proportional to 17,109.29, 23,611.74 and 9,555.79 is: 13,187.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,109.29 : 23,611.74 = 9,555.79 : x
  2. Step 2: Convert to fraction form
    17,109.29/23,611.74 = 9,555.79/x
  3. Step 3: Cross multiply
    17,109.29x = 23,611.74 × 9,555.79
  4. Step 4: Simplify right side
    17,109.29x = 225,628,719.08
  5. Step 5: Solve for x
    x = 225,628,719.08/17,109.29
  6. Step 6: Final answer
    x = 13,187.50

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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.