Home / 18,953.28-26,154.72-10,994.88

Finding the Fourth Proportional to 18,953.28, 26,154.72 and 10,994.88

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Solution

The fourth proportional to 18,953.28, 26,154.72 and 10,994.88 is: 15,172.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953.28 : 26,154.72 = 10,994.88 : x
  2. Step 2: Convert to fraction form
    18,953.28/26,154.72 = 10,994.88/x
  3. Step 3: Cross multiply
    18,953.28x = 26,154.72 × 10,994.88
  4. Step 4: Simplify right side
    18,953.28x = 287,568,007.83
  5. Step 5: Solve for x
    x = 287,568,007.83/18,953.28
  6. Step 6: Final answer
    x = 15,172.47

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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.