Home / 19,168.05-26,451.88-10,784.55

Finding the Fourth Proportional to 19,168.05, 26,451.88 and 10,784.55

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Solution

The fourth proportional to 19,168.05, 26,451.88 and 10,784.55 is: 14,882.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,168.05 : 26,451.88 = 10,784.55 : x
  2. Step 2: Convert to fraction form
    19,168.05/26,451.88 = 10,784.55/x
  3. Step 3: Cross multiply
    19,168.05x = 26,451.88 × 10,784.55
  4. Step 4: Simplify right side
    19,168.05x = 285,271,622.45
  5. Step 5: Solve for x
    x = 285,271,622.45/19,168.05
  6. Step 6: Final answer
    x = 14,882.66

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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.