Home / 17,628.80-24,322.56-10,919.36

Finding the Fourth Proportional to 17,628.80, 24,322.56 and 10,919.36

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Solution

The fourth proportional to 17,628.80, 24,322.56 and 10,919.36 is: 15,065.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,628.80 : 24,322.56 = 10,919.36 : x
  2. Step 2: Convert to fraction form
    17,628.80/24,322.56 = 10,919.36/x
  3. Step 3: Cross multiply
    17,628.80x = 24,322.56 × 10,919.36
  4. Step 4: Simplify right side
    17,628.80x = 265,586,788.76
  5. Step 5: Solve for x
    x = 265,586,788.76/17,628.80
  6. Step 6: Final answer
    x = 15,065.51

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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.