Home / 17,309.28-23,886.80-9,351.51

Finding the Fourth Proportional to 17,309.28, 23,886.80 and 9,351.51

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Solution

The fourth proportional to 17,309.28, 23,886.80 and 9,351.51 is: 12,905.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,309.28 : 23,886.80 = 9,351.51 : x
  2. Step 2: Convert to fraction form
    17,309.28/23,886.80 = 9,351.51/x
  3. Step 3: Cross multiply
    17,309.28x = 23,886.80 × 9,351.51
  4. Step 4: Simplify right side
    17,309.28x = 223,377,600.41
  5. Step 5: Solve for x
    x = 223,377,600.41/17,309.28
  6. Step 6: Final answer
    x = 12,905.07

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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.