Home / 17,309.16-23,878.29-11,338.20

Finding the Fourth Proportional to 17,309.16, 23,878.29 and 11,338.20

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Solution

The fourth proportional to 17,309.16, 23,878.29 and 11,338.20 is: 15,641.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,309.16 : 23,878.29 = 11,338.20 : x
  2. Step 2: Convert to fraction form
    17,309.16/23,878.29 = 11,338.20/x
  3. Step 3: Cross multiply
    17,309.16x = 23,878.29 × 11,338.20
  4. Step 4: Simplify right side
    17,309.16x = 270,736,827.68
  5. Step 5: Solve for x
    x = 270,736,827.68/17,309.16
  6. Step 6: Final answer
    x = 15,641.25

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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.