Home / 17,788.92-24,530.16-15,279.36

Finding the Fourth Proportional to 17,788.92, 24,530.16 and 15,279.36

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Solution

The fourth proportional to 17,788.92, 24,530.16 and 15,279.36 is: 21,069.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,788.92 : 24,530.16 = 15,279.36 : x
  2. Step 2: Convert to fraction form
    17,788.92/24,530.16 = 15,279.36/x
  3. Step 3: Cross multiply
    17,788.92x = 24,530.16 × 15,279.36
  4. Step 4: Simplify right side
    17,788.92x = 374,805,145.50
  5. Step 5: Solve for x
    x = 374,805,145.50/17,788.92
  6. Step 6: Final answer
    x = 21,069.58

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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.