Home / 22,222.26-30,666.72-12,151.63

Finding the Fourth Proportional to 22,222.26, 30,666.72 and 12,151.63

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Solution

The fourth proportional to 22,222.26, 30,666.72 and 12,151.63 is: 16,769.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,222.26 : 30,666.72 = 12,151.63 : x
  2. Step 2: Convert to fraction form
    22,222.26/30,666.72 = 12,151.63/x
  3. Step 3: Cross multiply
    22,222.26x = 30,666.72 × 12,151.63
  4. Step 4: Simplify right side
    22,222.26x = 372,650,718.66
  5. Step 5: Solve for x
    x = 372,650,718.66/22,222.26
  6. Step 6: Final answer
    x = 16,769.25

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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.