Home / 18,397.72-25,511.63-17,774.43

Finding the Fourth Proportional to 18,397.72, 25,511.63 and 17,774.43

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Solution

The fourth proportional to 18,397.72, 25,511.63 and 17,774.43 is: 24,647.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397.72 : 25,511.63 = 17,774.43 : x
  2. Step 2: Convert to fraction form
    18,397.72/25,511.63 = 17,774.43/x
  3. Step 3: Cross multiply
    18,397.72x = 25,511.63 × 17,774.43
  4. Step 4: Simplify right side
    18,397.72x = 453,454,681.62
  5. Step 5: Solve for x
    x = 453,454,681.62/18,397.72
  6. Step 6: Final answer
    x = 24,647.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.