Home / 18,727.62-28,070.34-9,353.52

Finding the Fourth Proportional to 18,727.62, 28,070.34 and 9,353.52

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Solution

The fourth proportional to 18,727.62, 28,070.34 and 9,353.52 is: 14,019.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727.62 : 28,070.34 = 9,353.52 : x
  2. Step 2: Convert to fraction form
    18,727.62/28,070.34 = 9,353.52/x
  3. Step 3: Cross multiply
    18,727.62x = 28,070.34 × 9,353.52
  4. Step 4: Simplify right side
    18,727.62x = 262,556,486.60
  5. Step 5: Solve for x
    x = 262,556,486.60/18,727.62
  6. Step 6: Final answer
    x = 14,019.75

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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.