Home / 18,919.62-26,113.59-10,966.23

Finding the Fourth Proportional to 18,919.62, 26,113.59 and 10,966.23

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Solution

The fourth proportional to 18,919.62, 26,113.59 and 10,966.23 is: 15,136.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,919.62 : 26,113.59 = 10,966.23 : x
  2. Step 2: Convert to fraction form
    18,919.62/26,113.59 = 10,966.23/x
  3. Step 3: Cross multiply
    18,919.62x = 26,113.59 × 10,966.23
  4. Step 4: Simplify right side
    18,919.62x = 286,367,634.07
  5. Step 5: Solve for x
    x = 286,367,634.07/18,919.62
  6. Step 6: Final answer
    x = 15,136.01

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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.