Home / 19,115.62-28,655.74-17,539.05

Finding the Fourth Proportional to 19,115.62, 28,655.74 and 17,539.05

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Solution

The fourth proportional to 19,115.62, 28,655.74 and 17,539.05 is: 26,292.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.62 : 28,655.74 = 17,539.05 : x
  2. Step 2: Convert to fraction form
    19,115.62/28,655.74 = 17,539.05/x
  3. Step 3: Cross multiply
    19,115.62x = 28,655.74 × 17,539.05
  4. Step 4: Simplify right side
    19,115.62x = 502,594,456.65
  5. Step 5: Solve for x
    x = 502,594,456.65/19,115.62
  6. Step 6: Final answer
    x = 26,292.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.