Home / 22,011.10-30,381.55-18,041.69

Finding the Fourth Proportional to 22,011.10, 30,381.55 and 18,041.69

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Solution

The fourth proportional to 22,011.10, 30,381.55 and 18,041.69 is: 24,902.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,011.10 : 30,381.55 = 18,041.69 : x
  2. Step 2: Convert to fraction form
    22,011.10/30,381.55 = 18,041.69/x
  3. Step 3: Cross multiply
    22,011.10x = 30,381.55 × 18,041.69
  4. Step 4: Simplify right side
    22,011.10x = 548,134,537.67
  5. Step 5: Solve for x
    x = 548,134,537.67/22,011.10
  6. Step 6: Final answer
    x = 24,902.64

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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.