Home / 22,333.06-30,822.48-12,899.80

Finding the Fourth Proportional to 22,333.06, 30,822.48 and 12,899.80

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Solution

The fourth proportional to 22,333.06, 30,822.48 and 12,899.80 is: 17,803.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,333.06 : 30,822.48 = 12,899.80 : x
  2. Step 2: Convert to fraction form
    22,333.06/30,822.48 = 12,899.80/x
  3. Step 3: Cross multiply
    22,333.06x = 30,822.48 × 12,899.80
  4. Step 4: Simplify right side
    22,333.06x = 397,603,827.50
  5. Step 5: Solve for x
    x = 397,603,827.50/22,333.06
  6. Step 6: Final answer
    x = 17,803.37

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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.