Home / 21,598.05-32,401.62-12,242.55

Finding the Fourth Proportional to 21,598.05, 32,401.62 and 12,242.55

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Solution

The fourth proportional to 21,598.05, 32,401.62 and 12,242.55 is: 18,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,598.05 : 32,401.62 = 12,242.55 : x
  2. Step 2: Convert to fraction form
    21,598.05/32,401.62 = 12,242.55/x
  3. Step 3: Cross multiply
    21,598.05x = 32,401.62 × 12,242.55
  4. Step 4: Simplify right side
    21,598.05x = 396,678,452.93
  5. Step 5: Solve for x
    x = 396,678,452.93/21,598.05
  6. Step 6: Final answer
    x = 18,366.40

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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.