Home / 22,021.08-30,353.55-18,035.16

Finding the Fourth Proportional to 22,021.08, 30,353.55 and 18,035.16

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Solution

The fourth proportional to 22,021.08, 30,353.55 and 18,035.16 is: 24,859.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,021.08 : 30,353.55 = 18,035.16 : x
  2. Step 2: Convert to fraction form
    22,021.08/30,353.55 = 18,035.16/x
  3. Step 3: Cross multiply
    22,021.08x = 30,353.55 × 18,035.16
  4. Step 4: Simplify right side
    22,021.08x = 547,431,130.82
  5. Step 5: Solve for x
    x = 547,431,130.82/22,021.08
  6. Step 6: Final answer
    x = 24,859.41

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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.