Home / 22,222.17-30,666.48-12,150.63

Finding the Fourth Proportional to 22,222.17, 30,666.48 and 12,150.63

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Solution

The fourth proportional to 22,222.17, 30,666.48 and 12,150.63 is: 16,767.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,222.17 : 30,666.48 = 12,150.63 : x
  2. Step 2: Convert to fraction form
    22,222.17/30,666.48 = 12,150.63/x
  3. Step 3: Cross multiply
    22,222.17x = 30,666.48 × 12,150.63
  4. Step 4: Simplify right side
    22,222.17x = 372,617,051.88
  5. Step 5: Solve for x
    x = 372,617,051.88/22,222.17
  6. Step 6: Final answer
    x = 16,767.81

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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.